%0 Generic %D 2011 %T Guest Editorial Preface. Special Issue on Membrane Computing %A Pierluigi Frisco %A Gheorghe Paun %A Mario J. Pérez-Jiménez %C Hershey, Pennsylvania (USA) %I IGI Global %N 2 %P i-iii %R 10.4018/jncr.2011070105 %U http://www.igi-global.com/journal/international-journal-natural-computing-research/1148 %V 2 %8 07/2011