1. The B book;Abrial,1996
2. Abrial. J.-R., Borger, E., Langmaack, H. (1997). Formal methods for industrial applications: specifying and programming the steam boiler control. Lecture Notes in Computer Science, vol. 1165. Berlin: Springer.
3. Abrial, J.-R., & Mussat, L. (1998). Introducing dynamic constraints in B. Second international B conference. Lecture Notes in Computer Science, vol. 1393, Berlin:Springer.
4. Ali, M. (1998). B specification of steam boiler. M.Sc. thesis, Department of Computing, Imperial College, UK.
5. Barton, P.I., Smith, E., & Pantelides, C.C. (1991). Combined discrete/continuous process modelling using gPROMS. AIChE annual meeting: recent advances in process control, Los Angeles.