a look to the future, January 1979 - March 1989 : 234 citations /
prepared by Jean A. Larson.
|Main Author:||Larson, Jean A.|
Beltsville, Md. : U.S. Dept. of Agriculture, National Agricultural Library, 
Agricultural systems /
Agricultural systems / United States /
Sustainable agriculture > Sustainable agriculture / United States > Sustainable agriculture / United States / Bibliography.
Agriculture > Agriculture / United States > Agriculture / United States / Bibliography.
Shipping list no.: 89-554-P.
"Database searched: AGRICOLA."
"Updates QB 88-22."
22 p. ;
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