Keyword bank in CRIS ; terms for indexing and retrieving research projects in the Current Research Information System 

 - Betsville, Md. :  The Department,  1980 
 - 104 p. 
<br/><br/><label>LCCN: </label>42167 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encabezamientos de materia--Agricultura.
<br/><br/><label>Dewey Class. No.: </label>025.33  / E83