Amir Pnueli Aleksandr Zaks Lenore D. Zuck Monitoring Interfaces for Faults. 73-89 2006 144 Electr. Notes Theor. Comput. Sci. 4 http://dx.doi.org/10.1016/j.entcs.2006.02.005 db/journals/entcs/entcs144.html#PnueliZZ06