Franklin

Environmental microthesaurus : a hierarchical list of indexing terms used by NTIS / National Technical Information Service & Environmental Protection Agency.

Other records:
Author/Creator:
United States. National Technical Information Service.
Publication:
Springfield, Va. : NTIS, 1977.
Format/Description:
Government document
Book
100 p. ; 28 cm.
Subjects:
Subject headings -- Environmental engineering.
Subject headings -- Ecology.
Notes:
Cover title.
"PB-265 261."
"An NTIS data base reference aid."
Contributor:
United States. Environmental Protection Agency.
OCLC:
3250440
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