Alessandra Di Pierro Chris Hankin Herbert Wiklicky On Probabilistic Techniques for Data Flow Analysis. 59-77 2007 190 Electr. Notes Theor. Comput. Sci. 3 http://dx.doi.org/10.1016/j.entcs.2007.07.005 db/journals/entcs/entcs190.html#PierroHW07