M. Beyreder, R. Freund:
"(Tissue) P systems using non-cooperative rules without halting conditions";
Talk: Workshop on Membrane Computing, WMC, Edinburgh; 2008-07-28 - 2008-07-31; in: "Proceedings of the Ninth Workshop on Membrane Computing", P. Frisco, D. W. Corne, Gh. Paun (ed.); (2008), 85 - 94.