diff --git a/python/cwcom/README.md b/python/cwcom/README.md
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 # CWCom Protocol - Morse Code over IP
 
 
-TDB
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+TDB
+
+# References
+- PyKOB: https://github.com/MorseKOB/PyKOB
+- MorseKOB https://sites.google.com/site/morsekob/home
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