1. CPN Tools Homepage:
http://cpntools.org/
2. The Coloane tool Homepage,
https://coloane.lip6.fr/
3. The CPN-AMI Homepage,
http://move.lip6.fr/software/CPNAMI/
4. Lecture Notes in Computer Science;C. Choppy,2010
5. Lecture Notes in Computer Science;C. Choppy,2012