http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Some comments on the regional attraction model
Institute of Economic Research, Faculty of Economics, University of Groningen
At head of title : Memorandum from Institute of Economic Research, Faculty of Economics, University of Groningen.
"Invited paper for the International Conference on Structural Economic Analysis and Planning in Time and Space, University of Umea, Sweden, June 1981."
Industrial organization (Economic theory)
Research memorandum (Rijksuniversiteit te Groningen. Instituut voor Economisch Onderzoek) ; nr. 88