diff --git a/README.md b/README.md
index cdfc58a..2db891e 100644
--- a/README.md
+++ b/README.md
@@ -195,8 +195,14 @@ channels = imcraw.get_channels(False)
 print(channels)
 ```
 
-A more complete example including the methods for obtaining the channels including
-their data and or directly printing them to files can be found at
-[Usage](python/usage.py).
+A more complete [example[(python/usage.py) including the methods for obtaining the 
+channels including their data and or directly printing them to files can be found 
+in the python folder.
 
 ## References
+
+- https://www.imc-tm.de/produkte/messtechnik-software/imc-famos/funktionen/im-und-export/
+- https://www.imc-tm.de/produkte/messtechnik-hardware/imc-cronosflex/ueberblick/
+- https://cython.readthedocs.io/en/latest/src/userguide/wrapping_CPlusPlus.html
+- https://github.com/Apollo3zehn/ImcFamosFile
+