1. Formal methods in industry: achievements, problems, future;Abrial,2006
2. UPPAAL – A tool suite for automatic verification of real-time systems;Bengtsson,1996
3. Modelling and analysing the contract net protocol – Extension using coloured petri nets;Billington,2008
4. Formal specification and analysis of production systems;Bos;International Journal of Production Research,2002
5. Kronos: A model-checking tool for real-time systems;Bozga,1998