CO2_monitor.bib

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% github repositories %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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@misc{ADAFRUIT2020A,
	  author    = {Adafruit Industries},
	  title     = {{Adafruit\_SSD1306}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/adafruit/Adafruit_SSD1306}},
	  commit    = {2f93b8453b2d9ce65c7b0f62557b194a90b4db45},
}

@misc{KOEHN2020,
	  author    = {K{\"o}hn-Seemann, Alf},
	  title     = {{CO$_2$ Monitor}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/alfkoehn/CO2_monitor}},
	  commit    = {4957f40ae57c88b425ad76cfbe554e4da2473338},
}

@misc{MENODEV2020A,
	  author    = {me-no-dev},
	  title     = {{ESPAsyncTCP: Async TCP Library for ESP8266 Arduino}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/me-no-dev/ESPAsyncTCP}},
	  commit    = {15476867dcbab906c0f1d47a7f63cdde223abeab},
}

@misc{MENODEV2020B,
	  author    = {me-no-dev},
	  title     = {{ESPAsyncWebServer}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/me-no-dev/ESPAsyncWebServer}},
	  commit    = {f13685ee97675be2ac9502d177d3024ebc49c1e0},
}

@misc{MKETZ2020,
	  author    = {Metz, Kaspar},
	  title     = {{CorO$_2$Sens}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/kmetz/coro2sens}},
	  commit    = {f24d6abe4aa6d3fe8b17640faf2d63f605272f50},
}

@misc{NETZBASTELN2020,
	  author    = {Netzbasteln},
	  title     = {CO$_2$narienvogel},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/netzbasteln/co2narienvogel}},
	  commit    = {caef9f4ac1660e9db79a3b3e6710c68ef5640cb9},
}

@misc{PAULVHA2020,
	  author    = {paulvha},
	  title     = {{paulvha SCD30 library}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/paulvha/scd30}},
	  commit    = {a058c81b62fe0804fc3b310dd4ef5df1c1c0e166},
}

@misc{RICKMAN2020,
	  author    = {johnrickman},
	  title     = {{LiquidCrystal\_I2C}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/johnrickman/LiquidCrystal_I2C}},
}

@misc{SPARKFUN2020,
	  author    = {SparkFun Electronics},
	  title     = {{SparkFun SCD30 CO2 Sensor Library}},
	  year      = {2020},
	  publisher = {GitHub},
	  journal   = {GitHub repository},
	  howpublished = {\url{https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library}},
	  commit    = {0a6ca999ffcb725a9d528f98bc87881ac1688b35},
}

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@article{ALLEN2016,
  title = {{Associations of Cognitive Function Scores with Carbon Dioxide, Ventilation, and Volatile Organic Compound Exposures in Office Workers: A Controlled Exposure Study of Green and Conventional Office Environments}},
  author = {Allen, J. G. and MacNaughton, P. and Satish, U. and Santanam, S. and Vallarino, J. and Spengler, J. D.},
  year = {2016},
  volume = {6},
  pages = {805},
  doi = {10.1289/ehp.1510037},
  journal = {Environmental Health Perspectives},
}

@article{BHAGAT2020, 
  author = {Bhagat, Rajesh K. and Davies Wykes, M. S. and Dalziel, Stuart B. and Linden, P. F.}, 
  title = {{Effects of ventilation on the indoor spread of COVID-19}}, 
  volume = {903}, 
  doi = {10.1017/jfm.2020.720}, 
  journal = {Journal of Fluid Mechanics}, 
  publisher = {Cambridge University Press}, 
  year = {2020}, 
  pages={F1}
}

@article{BRAUNER2020,
  title = {{Inferring the effectiveness of government interventions against COVID-19}},
  author = {Brauner, Jan M. and Mindermann, S{\"o}ren and Sharma, Mrinank and Johnston, David and Salvatier, John and Gaven{\v c}iak, Tom{\'a}{\v s} and Stephenson, Anna B. and Leech, Gavin and Altman, George and Mikulik, Vladimir and Norman, Alexander John and Monrad, Joshua Teperowski and Besiroglu, Tamay and Ge, Hong and Hartwick, Meghan A. and Teh, Yee Whye and Chindelevitch, Leonid and Gal, Yarin and Kulveit, Jan},
	year = {2020},
	doi = {10.1126/science.abd9338},
	publisher = {American Association for the Advancement of Science},
	issn = {0036-8075},
	URL = {https://science.sciencemag.org/content/early/2020/12/15/science.abd9338},
	eprint = {https://science.sciencemag.org/content/early/2020/12/15/science.abd9338.full.pdf},
	journal = {Science}
}

@article{CHEN2003,
  title = {{A simple, low-cost non-dispersive infrared CO$_2$ monitor}},
  author = {Chen, Song and Yamaguchi, T. and Watanabe, K.},
  year = {2003},
  doi = {10.1109/SFICON.2002.1159816},
  journal = {2nd ISA/IEEE Sensors for Industry Conference},
}

@article{CHIESA2019,
  title = {{Multisensor IoT Platform for Optimising IAQ Levels
in Buildings through a Smart Ventilation System}},
  author = {Chiesa, G. and Cesari, S. and Garcia, M. and Issa, M. and Li, S.},
  year = {2019},
  volume = {1},
  pages = {5777},
  doi = {10.3390/su11205777},
  journal = {Sustainability},
}

@article{DOREMALEN2020,
  title = {{Aerosol and Surface Stability of SARS-CoV-2  as Compared with SARS-CoV-1}},
  author = {Doremalen, N. v. and Bushmaker, T. and Morris, D. H. and Holbrook, M. G. and Gamble, A. and Williamson, B. N. and Tamin, A. and Harcourt, J. L. and Thornburg, N. J. and Gerber, S. I. and Lloyd-Smith, J. O. and de Witt, E. and Munster, V. J.},
  year = {2020},
  volume = {382},
  pages = {1564--1567},
  doi = {10.1056/NEJMc2004973},
  journal = {N. Engl. J. Med.},
}

@article{DU2020,
  title = {Effect of ventilation improvement during a tuberculosis outbreak in underventilated university buildings},
  author = {Du, Chun-Ru and Wang, Shun-Chih and Yu, Ming-Chih and Chiu, Ting-Fang and Wang, Jann-Yuan and Chuang, Pei-Chun and Jou, Ruwen and Chan, Pei-Chun and Fang, Chi-Tai},
  year = {2020},  
  volume = {30},
  number = {3},
  pages = {422-432},
  journal = {Indoor Air},
  doi = {10.1111/ina.12639},
}

@article{FURUKAWA2020,
  title = {{Evidence Supporting Transmission of Severe Acute Respiratory Syndrome Coronavirus 2 While Presymptomatic or Asymptomatic}},
  author = {Furukawa, N. W. and Brooks, J. T. and Sobel, J.},
  year = {2020},
  doi = {10.3201/eid2607.201595},
  journal = {Emerg Infect Dis.},
}

@article{GAIHRE2014,
  title = {{Classroom Carbon Dioxide Concentration, School Attendance, and Educational Attainment}},
  author = {Gaihre, S. and Semple, S. and Miller, J. and Fielding, S. and Turner, S.},
  year = {2014},
  volume = {85},
  pages = {569--574},
  doi = {10.1111/josh.12183 },
  journal = {J. Sch. Health},
}

@article{HARTMANN2020,
  title = {{Risk assessment of aerosols loaded with virus based on CO$_2$-concentration}},
  author = {Hartmann, A. and Kriegel, M.},
  year = {2020},
  doi = {10.14279/depositonce-10362},
  journal = {Preprint server of the {Technische Universit{\"a}t Berlin}},
}

@article {HOWARD2020,
	author = {Howard, Jeremy and Huang, Austin and Li, Zhiyuan and Tufekci, Zeynep and Zdimal, Vladimir and van der Westhuizen, Helene-Mari and von Delft, Arne and Price, Amy and Fridman, Lex and Tang, Lei-Han and Tang, Viola and Watson, Gregory L. and Bax, Christina E. and Shaikh, Reshama and Questier, Frederik and Hernandez, Danny and Chu, Larry F. and Ramirez, Christina M. and Rimoin, Anne W.},
	title = {{An evidence review of face masks against COVID-19}},
	volume = {118},
	number = {4},
	elocation-id = {e2014564118},
	year = {2021},
	doi = {10.1073/pnas.2014564118},
	publisher = {National Academy of Sciences},
	issn = {0027-8424},
	URL = {https://www.pnas.org/content/118/4/e2014564118},
	eprint = {https://www.pnas.org/content/118/4/e2014564118.full.pdf},
	journal = {Proceedings of the National Academy of Sciences}
}

@article{KOHANSKI2020,
  title = {{Review of indoor aerosol generation, transport, and control in the context of COVID‐19}},
  author = {Kohanski, M. A. and Lo, L. J. and Waring, M. S.},
  year = {2020},
  doi = {10.1002/alr.22661},
  journal = {International Forum of Allergy \& Rhinology},
}

@article{LEDNICKY2020,
  title = {{Viable SARS-CoV-2 in the air of a hospital room with COVID-19 patients}},
  author = {Lednicky, J. A. and Lauzardo, M. and Hugh Fan, Z. and Jutla, A. S. and Tilly, T. B. and Gangwar, M. and Usmani, M. and Shankar, S. N. and Mohamed, K. and Eiguren-Fernandez, A. and Stephenson, C. J. and Alam. Md. M. and Elbadry, M. A. and Loeb, J. C. and Subramaniam, K. and Waltzek, T. B. and Cherabuddi, K. and Morris Jr., J. G. and Wu, C.-Y.},
  year = {2020},
  doi = {10.1101/2020.08.03.20167395},
  journal = {medRxiv},
}

@article {LI2020,
	title = {{Evidence for probable aerosol transmission of SARS-CoV-2 in a poorly ventilated restaurant}},
	author = {Li, Yuguo and Qian, Hua and Hang, Jian and Chen, Xuguang and Hong, Ling and Liang, Peng and Li, Jiansen and Xiao, Shenglan and Wei, Jianjian and Liu, Li and Kang, Min},
	year = {2020},
	doi = {10.1101/2020.04.16.20067728},
	publisher = {Cold Spring Harbor Laboratory Press},
	URL = {https://www.medrxiv.org/content/early/2020/04/22/2020.04.16.20067728},
	eprint = {https://www.medrxiv.org/content/early/2020/04/22/2020.04.16.20067728.full.pdf},
	journal = {medRxiv}
}

@article {MILLER2020,
	title = {{Transmission of SARS-CoV-2 by inhalation of respiratory aerosol in the Skagit Valley Chorale superspreading event}},
	author = {Miller, Shelly L and Nazaroff, William W and Jimenez, Jose L and Boerstra, Atze and Buonanno, Giorgio and Dancer, Stephanie J and Kurnitski, Jarek and Marr, Linsey C and Morawska, Lidia and Noakes, Catherine},
	year = {2020},
	doi = {10.1101/2020.06.15.20132027},
	publisher = {Cold Spring Harbor Laboratory Press},
	URL = {https://www.medrxiv.org/content/early/2020/06/18/2020.06.15.20132027},
	eprint = {https://www.medrxiv.org/content/early/2020/06/18/2020.06.15.20132027.full.pdf},
	journal = {medRxiv}
}

@article{MITTAL2020, 
  author = {Mittal, Rajat and Ni, Rui and Seo, Jung-Hee}, 
  title = {{The flow physics of COVID-19}}, 
  volume = {894}, 
  DOI = {10.1017/jfm.2020.330}, 
  journal = {Journal of Fluid Mechanics}, 
  publisher = {Cambridge University Press}, 
  year = {2020}, 
  pages = {F2}
}

@article{MORAWSKA2020,
  title = {{It is Time to Address Airborne Transmission of COVID-19}},
  author = {Morawska, L. and Milton, D. K.},
  year = {2020},
  doi = {10.1093/cid/ciaa939},
  journal = {Clinical Infectious Diseases},
}

@article{PERSILY2017,
  title = {Carbon dioxide generation rates for building occupants},
  author = {Persily, A. and de Jonge, L.},
  year = {2017},
  doi = {10.1111/ina.12383},
  journal = {Indoor Air},
}

@inproceedings{PETERSEN2018,
  title = {{Accuracy and Air Temperature Dependency of Commercial Low-cost NDIR CO$_2$ Sensors: An Experimental Investigation}},
  author = {Petersen, J. and Kristensen, J. and Elarga, Hagar and Andersen, R.K. and Midtstraum, A.},
  year = {2018},
  pages = {203--207},
  booktitle = {Proceedings of COBEE2018},
  url = {https://orbit.dtu.dk/files/146097852/Untitled.pdf},
}

@article{QIAN2020,
  title = {{Indoor transmission of SARS-CoV-2}},
  author = {Qian, Hua and Miao, Te and LIU, Li and Zheng, Xiaohong and Luo, Danting and Li, Yuguo},
  year = {2020},
  doi = {10.1101/2020.04.04.20053058},
  journal = {medRxiv},
}

@Article{SETTI2020,
  author = {Setti, Leonardo and Passarini, Fabrizio and De Gennaro, Gianluigi and Barbieri, Pierluigi and Perrone, Maria Grazia and Borelli, Massimo and Palmisani, Jolanda and Di Gilio, Alessia and Piscitelli, Prisco and Miani, Alessandro},
  title = {{Airborne Transmission Route of COVID-19: Why 2 Meters/6 Feet of Inter-Personal Distance Could Not Be Enough}},
  journal = {International Journal of Environmental Research and Public Health},
  volume = {17},
  year = {2020},
  number = {8},
  URL = {https://www.mdpi.com/1660-4601/17/8/2932},
  PubMedID = {32340347},
  issn = {1660-4601},
  doi = {10.3390/ijerph17082932}
}

@article{SHEN2019,
  title = {{Long Term Stable $\Delta-\Sigma$ NDIR Technique Based onTemperature Compensation}},
  author = {Shen, Chih-Hsiung and Yeah, Jun-Hong},
  year = {2019},
  volume = {9},
  pages = {309},
  doi = {10.3390/app9020309},
  journal = {Appl. Sci.},
}

@article{SHENDELL2004,
  title = {{Associations between classroom CO$_2$ concentrations and student attendance in Washington and Idaho}},
  author = {Shendell, D. G. and Prill, R. and Fisk, W. J. and Apte, M. G. and Blake, D. and Faulkner, D. },
  year = {2004},
  volume = {14},
  pages = {333},
  doi = {10.1111/j.1600-0668.2004.00251.x},
  journal = {Indoor Air},
}

@article{SOPER1919,
  title = {{The Lessons of the Pandemic}},
  author = {Soper, George A.},
  year = {1919},
  volume = {49},
  pages = {501},
  doi = {10.1126/science.49.1274.501},
  journal = {Science},
}

@article{SUN2020,
	title = {Transmission heterogeneities, kinetics, and controllability of SARS-CoV-2},
	author = {Sun, Kaiyuan and Wang, Wei and Gao, Lidong and Wang, Yan and Luo, Kaiwei and Ren, Lingshuang and Zhan, Zhifei and Chen, Xinghui and Zhao, Shanlu and Huang, Yiwei and Sun, Qianlai and Liu, Ziyan and Litvinova, Maria and Vespignani, Alessandro and Ajelli, Marco and Viboud, C{\'e}cile and Yu, Hongjie},
	year = {2020},
	doi = {10.1126/science.abe2424},
	issn = {0036-8075},
	URL = {https://science.sciencemag.org/content/early/2020/11/23/science.abe2424},
	journal = {Science}
}

@article{TWARDELLA2012,
  title = {Effect of classroom air quality on students' concentration: results of a cluster-randomized cross-over experimental study},
  author = {Twardella, D. and Matzen, W. and Lahrz, T. and Burghardt, R. and Spegel, H. and Hendrowarsito, L. and Frenzel, A. C. and Fromme, H.},
  year = {2012},
  volume = {22},
  pages = {378},
  doi = {10.1111/j.1600-0668.2012.00774.x},
  journal = {Indoor Air},
}

@article{VOSS2020,
  title = {{Infektionsschutzgerechtes Lüften –  Hinweise und Maßnahmen in Zeiten der SARS-CoV-2-Epidemie}},
  author = {Voß, A. and Gritzki, A. and Bux, K.},
  year = {2020},
  doi = {10.21934/baua:fokus20200918},
  journal = {{Bundesanstalt für Arbeitsschutz und Arbeitsmedizin (BAuA)}},
}

@article{WATZKA2011,
  title = {{Ist die Luft zu schlecht zum Lernen? Nichtdispersive IR-CO2-Gassensoren im Physikunterricht}},
  author = {Watzka, B. and Girwidz, R.},
  year = {2011},
  volume = {10},
  pages = {22--33},
  howpublished = {\url{http://www.phydid.de/index.php/phydid/article/view/232/405}},
  journal = {{Physik und Didaktik in Schule und Hochschule}},
}

@article{ZHANG2020,
  title = {{Infection Risk Assessment of COVID-19 through Aerosol Transmission: a Case Study of South China Seafood Market}},
  author = {Zhang, X. and Zheng, J. and Yue, Y. and Lui, H. and Wang, J.},
  year = {2020},
  doi = {10.1021/acs.est.0c02895},
  journal = {{Environmental science \& technology}},
}

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% Newspaper articles %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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@article{GUARDIAN2020,
  title = {Germans embrace fresh air to ward off coronavirus},
  author = {Connolly, Kate},
  year = {2020},
  month = {09},
  day = {30},
  journal = {The Guardian},
  url = {https://www.theguardian.com/world/2020/sep/30/germans-embrace-fresh-air-to-ward-off-coronavirus},
  howpublished = {\url{https://www.theguardian.com/world/2020/sep/30/germans-embrace-fresh-air-to-ward-off-coronavirus}},
  urldate = {2020-11-25}
}

@article{MAKEMAGAZIN2020,
  title = {{Der CO2-Warner für die Schule}},
  author = {Burger, Guido and Fix, Richard and Gollmer, Klaus-Uwe},
  year = {2020},
  journal = {Make Magazin},
  url = {https://www.heise.de/select/make/2020/5/2022015381334973804},
  howpublished = {\url{https://www.heise.de/select/make/2020/5/2022015381334973804}},
  note = {\url{https://www.heise.de/select/make/2020/5/2022015381334973804}},
}

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% Articles and more from www %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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@misc{ARANET2020,
  title = {{Aranet4 CO$_2$ Meter}},
  howpublished = {\url{https://naltic.com/aranet4-co2.html#}},
  author = {{NALTIC Industrials, LLC}},
}

@misc{ARDUINOIDE2020,
  title = {{Software: The open-source Arduino IDE}},
  howpublished = {\url{https://www.arduino.cc/en/main/software}},
  author = {The Arduino team},
}

@misc{BIRKENFELD2020,
  title = {{Website: COVID-19 Pr{\"a}vention: CO2-Messung und bedarfsorientierte L{\"u}ftung (accessed: 2020-09-13)}},
  howpublished = {\url{https://www.umwelt-campus.de/forschung/projekte/iot-werkstatt/ideen-zur-corona-krise}},
  author = {Umwelt-Campus Birkenfeld, Hochschule Trier},
}

@misc{BMA2020,
  title = {Website: {SARS-CoV-2-Arbeitsschutzregel} (version 2020-08-20)},
  howpublished = {\url{https://www.bmas.de/DE/Presse/Meldungen/2020/neue-sars-cov-2-arbeitsschutzregel.html}},
  author = {Federal Ministry of Labour and Social Affairs Germany},
}

@misc{BMA2020a,
  title = {Website: {Empfehlung der Bundesregierung ``Infektionsschutzgerechtes Lüften''} (version 2020-09-16)},
  howpublished = {\url{https://www.bmas.de/SharedDocs/Downloads/DE/Thema-Arbeitsschutz/infektionsschutzgerechtes-lueften.html}},
  author = {Federal Ministry of Labour and Social Affairs Germany},
}

@misc{BOYLES2020,
  title = {Website: {Homemade CO2 Sensor Unit} (accessed: 2020-09-13)},
  howpublished = {\url{https://www.hackster.io/bfboyles/homemade-co2-sensor-unit-22a9d8}},
  author = {hackster.io (user Brian Boyles)},
}

@misc{METROPOL2020,
  title = {{Website: Arduino Forum: CO2 level classroom sensor (accessed: 2020-09-13)}},
  howpublished = {\url{https://forum.arduino.cc/index.php?topic=702131}},
  author = {Arduino Forum (user metropol)},
}

@misc{NOAA2020,
  title = {{Website: Earth System Research Laboratory (accessed: 2020-09-28)}},
  howpublished = {\url{https://www.esrl.noaa.gov/gmd/ccgg/trends/}},
  author = {{National Oceanic and Atmospheric Administration (NOAA)}},
}

@misc{NODEMCU2020,
  title = {{Website: NodeMCU Documentation (accessed: 2020-09-18)}},
  howpublished = {\url{https://nodemcu.readthedocs.io/en/master/}},
  author = {NodeMCU},
}

@misc{OMBRA2020,
  title = {{Website: CO2 monitoring with SCD30 sensor and HA integration (accessed: 2020-09-13)}},
  howpublished = {\url{https://community.home-assistant.io/t/co2-monitoring-with-scd30-sensor-and-ha-integration/216708}},
  author = {Home Assistant Forum (user Ombra)},
}

@misc{REHVA2020,
  title = {{Website: REHVA COVID-19 guidance document (version 2020-08-03)}},
  howpublished = {\url{hhttps://www.rehva.eu/activities/covid-19-guidance/rehva-covid-19-guidance}},
  author = {The Federation of European Heating, Ventilation and Air Conditioning associations (REHVA)},
}

@misc{RKI2020,
  title = {{Präventionsmaßnahmen in Schulen während der COVID-19-Pandemie. Empfehlungen des Robert Koch-Instituts für Schulen.} (version 2020-10-12)},
  howpublished = {\url{https://www.rki.de/DE/Content/InfAZ/N/Neuartiges_Coronavirus/Praevention-Schulen.pdf?__blob=publicationFile}},
  author = {Robert Koch Institut},
}

@misc{RUHE2020,
  title = {Website: {Infektometer - Ein CO$_2$ Messgerät zur Infektionskontrolle in der Schule (accessed: 2020-11-25)}},
  howpublished = {\url{http://infektometer.com/}},
  author = {Nikolai Ruhe},
}

@misc{SENSIRION2020A,
  title = {{Design-In guidelines for SCD30 (Version 0.2)}},
  howpublished = {\url{https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/9.5_CO2/Sensirion_CO2_Sensors_SCD30_Assembly_Guideline.pdf}},
  author = {Sensirion: The Sensor Company},
}

@misc{SENSIRION2020B,
  title = {{Datasheet Sensirion SCD30 Sensor Module (Version 0.94)}},
  howpublished = {\url{https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/9.5_CO2/Sensirion_CO2_Sensors_SCD30_Datasheet.pdf}},
  author = {Sensirion: The Sensor Company},
}

@misc{SENSIRION2020C,
  title = {{Interface Description Sensirion SCD30 Sensor Module (Version 1.0)}},
  howpublished = {\url{https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/9.5_CO2/Sensirion_CO2_Sensors_SCD30_Interface_Description.pdf}},
  author = {Sensirion: The Sensor Company},
}

@misc{SPARKFUN2020A,
  title = {Website: {Installing an Arduino Library}},
  howpublished = {\url{https://learn.sparkfun.com/tutorials/installing-an-arduino-library}},
  author = {SparkFun Electronic},
}

@misc{STAHMER2020,
  title = {Website: {CO2-Ampel: Erfahrungsbericht aus der Schule} (accessed: 2020-11-25)},
  howpublished = {\url{https://www.heise.de/news/CO2-Ampel-Erfahrungsbericht-aus-der-Schule-4932471.html}},
  author = {heise online: Verena Stahmer},
}

@misc{TFA2020,
  title = {{AIRCO$_2$NTROL}},
  howpublished = {\url{https://www.tfa-dostmann.de/en/produkte/professional-usage-16/measuring-instruments-for-professional-usage/co2-measuring-instruments/}},
  author = {TFA Dostmann},
}

@misc{WOEHLER2020,
  title = {{CO2 Messgerät}},
  howpublished = {\url{https://www.woehler.de/shop/co2-messgeraet.html}},
  author = {Wöhler Technik GmbH},
}

@misc{ZENTRIS2020,
  title = {Website: {In Entwicklung: Co2-Sensor (SCD30) mit ESP8266 und Display SSD1306 (kurze Vorstellung)} (accessed: 2020-09-13)},
  howpublished = {\url{https://forum-raspberrypi.de/forum/thread/44717-in-entwicklung-co2-sensor-scd30-mit-esp8266-und-display-ssd1306-kurze-vorstellun/}},
  author = {Raspberry Pi Forum (user Zentris)},
}