diff --git a/paper.bib b/paper.bib
index 78bccbe..666cede 100644
--- a/paper.bib
+++ b/paper.bib
@@ -15,3 +15,15 @@ @article{Zhao:2023
 	Month = May,
 	Title = {Radially variant contrast measurement in virtual reality headsets using circular concentric ring patterns.},
 	Year = 2023}
+
+@misc{AFrame,
+    note         = {\url{https://aframe.io/} [Accessed: 2023]}
+}
+
+@misc{Three.js,
+    note         = {\url{https://threejs.org/} [Accessed: 2023]}
+}
+
+@misc{WebXR,
+    note         = {\url{https://immersiveweb.dev/} [Accessed: 2023]}
+}