Pedro Baltazar Paulo Mateus Rajagopal Nagarajan Nikolaos Papanikolaou Exogenous Probabilistic Computation Tree Logic. 95-110 2007 190 Electr. Notes Theor. Comput. Sci. 3 http://dx.doi.org/10.1016/j.entcs.2007.07.007 db/journals/entcs/entcs190.html#BaltazarMNP07