diff --git a/general/bibliography.bib b/general/bibliography.bib
index 641ec1d..9f7fce2 100644
--- a/general/bibliography.bib
+++ b/general/bibliography.bib
@@ -186,4 +186,20 @@
 	month = {Dec},
 	note = {[Online; accessed 18. Dec. 2018]},
 	url = {https://www.python.org/dev/peps/pep-0008/#a-foolish-consistency-is-the-hobgoblin-of-little-minds}
+}
+@misc{qtlicense,
+    author = {{The Qt Company}},
+	title = {{GNU Lesser General Public License (LGPL) {$\vert$} Qt 5.12}},
+	year = {2018},
+	month = {Dec},
+	note = {[Online; accessed 19. Dec. 2018]},
+	url = {https://doc.qt.io/qt-5/lgpl.html}
+}
+@misc{qt,
+    author = {{The Qt Company}},
+	title = {{Qt 5.12}},
+	year = {2018},
+	month = {Dec},
+	note = {[Online; accessed 19. Dec. 2018]},
+	url = {https://doc.qt.io/qt-5/index.html}
 }
\ No newline at end of file