1. Joe Armstrong. 2007. A history of Erlang. In Proceedings of the Third ACM SIGPLAN History of Programming Languages Conference (HOPL-III), San Diego, California, USA, 9-10 June 2007. 1–26.
2. Fred Hebert. 2013. Learn You Some Erlang for Great Good!: A Beginner’s Guide. No Starch Press, San Francisco, CA, USA.
3. Torbjörn Lager and Jan Wielemaker. 2014. Pengines: Web Logic Programming Made Easy. Theory and Practice of Logic Programming 14, 4-5 (2014), 539–552.
4. Hans Svensson, Lars-Åke Fredlund, and Clara Benac Earle. 2010. A unified semantics for future Erlang. In Erlang Workshop, Scott Lystig Fritchie and Konstantinos F. Sagonas (Eds.). ACM, 23–32. http://dl. acm.org/citation.cfm?id=1863509
5. Jan Wielemaker, Fabrizio Riguzzi, Bob Kowalski, Torbjörn Lager, Fariba Sadri, and Miguel Calejo. 2019. Using SWISH to realise interactive web based tutorials for logic based languages. Theory and Practice of Logic Programming 19, 2 (2019), 229–261.