http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the EC Contractors' Meeting held in Copenhagen, 23-24 June 1981
EC Contractor's Meeting (1981 : Copenhagen, Denmark)
D. Reidel Pub. Co. for the Commission of the European Communities
Sold and distributed in the U.S.A. and Canada by Kluwer Boston
Solar energy R & D in the European Community. v. 1