John Derrick John A. Fitzgerald Stefania Gnesi Sarfraz Khurshid Michael Leuschel Steve Reeves Elvinia Riccobene Abstract State Machines, Alloy, B, VDM, and Z - Third International Conference, ABZ 2012, Pisa, Italy, June 18-21, 2012. Proceedings 7316 2012 Springer Lecture Notes in Computer Science http://dx.doi.org/10.1007/978-3-642-30885-7 978-3-642-30884-0 ABZ db/conf/asm/abz2012.html