http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the 6th IFORS International Conference on Operational Research, Dublin, Ireland, August 21-25, 1972= Actes de la sixieme IFORS Conference internationale de recherche operationnelle, Dublin, Irlande, 21-25 ao ut, 1972
IFORS International Conference on Operational Research 1972 : Dublin, Ireland)
International Federation of Operational Research Societies