Pablo Rabanal Ismael Rodríguez Fernando Rubio A Formal Approach to Heuristically Test Restorable Systems. 292-306 2009 ICTAC http://dx.doi.org/10.1007/978-3-642-03466-4_19 conf/ictac/2009 db/conf/ictac/ictac2009.html#RabanalRR09