Cover Image

Environmental microthesaurus : a hierarchical list of indexing terms used by NTIS.

Bibliographic Details
Corporate Authors: United States. National Technical Information Service. Information Analysis Branch, United States. Environmental Protection Agency
Format: Government Document Book
Language:English
Published: Springfield, Va. : Dept. of Commerce, National Tecnhical Information used bt NTIS. [date of publication not identified]
Subjects:
Ecology > Research > United States.
Human ecology > United States.
Subject headings > Ecological research.
Subject headings > Human ecology.
Description
Item Description:Cover title.
"PB-265-261."
"An NTIS data base reference aid."
Sponsored by the National Technical Information Service and the Environmental Protection Agency.
May 1977.
Physical Description:iii, 100 pages ; 28 cm.