Refinement of Finite State Machines with Complementary Model Checking
A. Krupp, W. Müller, in: J. Mermet (Ed.), UML-B System Specification for Proven Electronic Design, Kluwer, Dordrecht, 2004, pp. 155–168.

The Echo Cancellation Unit Case Study
A. Krupp, W. Müller, I. Oliver, in: J. Mermet (Ed.), UML-B System Specification for Proven Electronic Design, Kluwer, Dordrecht, 2004, pp. 227–240.