Current awareness literature service (CALS)
Subtitle: user's guide
Contributors: National Agricultural Library (U.S.). Information Systems Division
Edition: 4th ed
Publisher: U.S. Dept. of Agriculture, National Agricultural Library, Information Systems Division
Published: 1984
Place of publication: Beltsville, Md
Language: eng
Subjects: Current awareness services -- United States -- Handbooks, manuals, etc; Information storage and retrieval systems -- Handbooks, manuals, etc
Notes: Distributed to depository libraries in microfiche

"March 1984."