Biodiversity Heritage Library
By "Agricultural Research Policy Advisory Committee. Research Classification Subcommittee. "
Manual of classification of agricultural and forestry research : classifications used in the Current Research Information System by activity, by commodity, resource or technology, by field of science, and by research problem area (RPA) /
By: Agricultural Research Policy Advisory Committee. Research Classification Subcommittee.
Edition: Rev. 1
Publication info: Washington, D.C. :Science and Education Staff, U.S. Dept. of Agriculture,
Holding Institution: U.S. Department of Agriculture, National Agricultural Library