Type de document :
Communication dans un congrès
George Eleftherakis and Petros Kefalas and Gheorghe Paun and Grzegorz Rozenberg and Arto Salomaa. Membrane Computing, 8th International Workshop, WMC 2007, Thessaloniki, Greece, June 25-28, 2007 Revised Selected and Invited Papers, 2007, Unknown, Unknown Region. Springer, 4860, pp.271-284, 2007, Lecture Notes in Computer Science
