http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the 24th Annual Meeting of the Société de Chimie Physique Paris-Orsay, 2-6 July 1972
Proceedings of the 24th Annual Meeting of the Socieété de Chimie Physique at Paris-Orsay, July 2-6, 1973