%0 Generic %D 2013 %T Foreword. Special Issue: Membrane Computing %A Marian Gheorghe %A Gheorghe Paun %A Mario J. Pérez-Jiménez %C Philadelphia, USA %I Old City Publishing Inc. %N 5-6 %P 347-349 %U http://www.oldcitypublishing.com/IJUC/IJUCcontents/IJUCv9n5-6contents.html %V 9 %8 10/2013