Natural resources data bases : hearing before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, Ninety-seventh Congress, first session, June 2, 1981.
|Corporate Author:||United States.|
Washington : U.S. G.P.O., 1981.
> United States.
Information storage and retrieval systems > Agriculture.
"Serial no. 97-K."
iii, 91 p. ;
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