@proceedings {749, title = {Proceedings of the Ninth Brainstorming Week on Membrane Computing}, journal = {Ninth Brainstorming Week on Membrane Computing}, year = {2011}, month = {31/01/2011}, pages = {xiv+374}, publisher = {F{\'e}nix Editora}, address = {Sevilla, Espa{\~n}a}, url = {http://www.gcn.us.es/9bwmc_proceedings}, author = {Miguel A. Mart{\'\i}nez-del-Amor and Gheorghe Paun and Ignacio P{\'e}rez-Hurtado and Francisco J. Romero-Campero and Luis Valencia-Cabrera} }