http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the 2nd International Symposium on the Biological Oxidation of Nitrogen in Organic Molecules held at the Chelsea College, University of London, United Kingdom, 19-23 September, 1977
International Symposium on the Biological Oxidation of Nitrogen in Organic Molecules 1977 : Chelsea College, University of London)
Proceedings of the first symposium are entered under: Biological oxidation of nitrogen in organic molecules.