Aleksy Schubert Daria Walukiewicz-Chrzaszcz The Non-Interference Protection in BML. 113-127 2009 253 Electr. Notes Theor. Comput. Sci. 5 http://dx.doi.org/10.1016/j.entcs.2009.11.018 db/journals/entcs/entcs253.html#SchubertW09