1. mCRL2 web site, http://www.mcrl2.org.
2. Rudiments of μ-Calculus;Arnold,2001
3. Principles of Model Checking;Baier,2008
4. Definable operation in general algebras, and the theory of automata and flowcharts;Bekič,1984
5. Efficient model checking via the equational μ-calculus;Bhat,1996