"This volume is based on papers presented at the 5th Workshop on Membrane Computing, WMC5, which took place in Milan, Italy, in the period June 14-16, 2004, as a satallite event of DNA10 (10th International Workshop on DNA-Based Computing)."_Pref.
Membrane computing : 5th international workshop, WMC 2004, Milan, Italy, June 14-16, 2004, revised selected and invited papers. ISBN 3540250808. Published by Springer in 2005. Publication and catalogue information, links to buy online and reader comments.