R. Freund:
"Asynchronous P Systems";
Talk: Workshop on Membrane Computing, Milano, Italy (invited); 2004-06-14 - 2004-06-16; in: " Pre-proceedings of the Fifth Workshop on Membrane Computing, Milano - Italy, June 2004 (WMC5)", G. Mauri, Gh. Paun, C. Zandron (ed.); (2004), 12 - 28.