Directory of information resources in agriculture and biology.
Contributors: National Agricultural Library (U.S.)
Publisher: National Agricultural Library; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington]
Published: 1971
Place of publication: Beltsville, Md
Language: eng
Number of pages: 523
Subjects: Biological laboratories -- United States -- Directories.; Agriculture -- Research -- United States -- Directories.
Notes: "Compiled as a project of the Agricultural Sciences Information Network in cooperation with the land-grant colleges and the U.S. Department of Agriculture."