Research for tomorrow:   The yearbook of agriculture, 1986 

 - Washington, D.C.:   The United States Department of Agriculture,   1986 
 - vii, 336p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Universal Decimal Class. No.: </label>R 63(058)  / M6