EnVoc multilingual thesaurus of environmental terms.
Contributors: United Nations Environment Programme.; International Environmental Information System (United Nations Environment Programme)
Edition: 4th ed.
Publisher: United Nations Environment Programme
Published: 1997
Place of publication: Nairobi
Language: eng
Number of pages: 248
Subjects: Subject headings -- Environmental sciences.
Other titles: Multilingual thesaurus of environmental terms; Thesaurus of environmental terms.
Notes: "May 1997."
"A product of INFOTERRA, UNEP's Global Environmental Information Exchange Network."