http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Design of a general methodology for the evaluation and categorization of an environmental program with special reference to Costa Rica
xviii, 398 leaves : illustrations, maps.
Microfilm. Ann Arbor, Mich. : University Microfilms International, 1983. 1 microfilm reel ; 35 mm.