Bernhard K. Aichernig Martin Weiglhofer Franz Wotawa Improving Fault-based Conformance Testing. 63-77 2008 220 Electr. Notes Theor. Comput. Sci. 1 http://dx.doi.org/10.1016/j.entcs.2008.11.006 db/journals/entcs/entcs220.html#AichernigWW08