http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the meeting of Experts designated by governments, intergovernmental and nongoverenmental organizations on the Ozone Layer organized by the United Nations Environment Programme in Washington DC, 1-9 March 1977
UNEP Meeting on the Ozone Layer (1977 : Washington, D.C.)
xviii, 381 pages : illustrations ; 26 cm.
Environmental sciences and applications ; v. 4