http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Optimal decision rules for government and industry
H. Theil in association with P.J.M. van der Bogaard, assisted by A.P. Barten, J.C.G. Boot, C. van de Panne.
Studies in mathematical and managerial economics ; 1