@misc{sbmlLevel2Version2,
  title = {{Systems Biology Markup Language} ({SBML}) {Level} 2: Structures and Facilities for Model Definitions},
  author = {Finney, Andrew and Le Nov{\`e}re, Nicholas and Hucka, Michael},
  year = {2006},
  publisher = {{California Institute of Technology}},
  url = {http://identifiers.org/combine.specifications/sbml.level-2.version-2},
  note = {Available from COMBINE at http://identifiers.org/combine.specifications/sbml.level-2.version-2}
}