Oana Agrigoroaiei Gabriel Ciobanu Rewriting Logic Specification of Membrane Systems with Promoters and Inhibitors. 5-22 2009 238 Electr. Notes Theor. Comput. Sci. 3 http://dx.doi.org/10.1016/j.entcs.2009.05.010 db/journals/entcs/entcs238.html#AgrigoroaieiC09