@article {, title = {A tool for using the SBML format to represent P systems which model biological reaction networks}, journal = {Third Brainstorming Week on Membrane Computing}, year = {2005}, month = {1/31/05-2/4/05}, pages = {219-228}, publisher = {F{\'e}nix Editora}, address = {Sevilla, Espa{\~n}a}, isbn = {84-609-6771-9}, author = {Isabel Nepomuceno and Juan A. Nepomuceno-Chamorro and Francisco J. Romero-Campero}, editor = {Miguel A. Guti{\'e}rrez-Naranjo and Agust{\'\i}n Riscos-N{\'u}{\~n}ez and Francisco J. Romero-Campero and Dragos Sburlan} }