diff --git a/thesis/main.bib b/thesis/main.bib
index 7d417ed..f19ee0b 100644
--- a/thesis/main.bib
+++ b/thesis/main.bib
@@ -4,6 +4,7 @@
     urldate={19.09.2019},
     author={NumPy developers},
     title={NumPy},
+    note={https://numpy.org/},
     year=2019
 }
 
@@ -13,7 +14,17 @@
     urldate={19.09.2019},
     author={NumPy developers},
     title={numpy.array -- NumPy v1.17 Manual},
-    year=2019
+    year=2019,
+    note={https://docs.scipy.org/doc/numpy/reference/generated/numpy.array.html},
+}
+@online{
+    CHP,
+    url={https://www.scottaaronson.com/chp/},
+    urldate={09.03.2020},
+    author={Scott Aaronson, Daniel Gottesman},
+    title={CHP: CNOT-Hadamard-Phase},
+    year=2005,
+    note={https://www.scottaaronson.com/chp/}
 }
 
 @online{