@misc{sbmlLevel1Version2spec,
  title = {{Systems Biology Markup Language} ({SBML}) {Level} 1: Structures and Facilities for Basic Model Definitions},
  author = {Hucka, Michael and Finney, Andrew and Sauro, Herbert M. and Bolouri, Hamid},
  year = {2003},
  publisher = {California Institute of Technology},
  url = {http://identifiers.org/combine.specifications/sbml.level-1.version-2},
  note = {Available from COMBINE at http://identifiers.org/combine.specifications/sbml.level-1.version-2}
}