http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
role of agricultural externalities in high income countries
proceedings of the 37th Seminar of the European Association of Agricultural Economists, 14-17 September 1994, Vienna (Austria)
edited by Markus F. Hofreither and Stefan Vogel.