Agronomy in a changing world and research needs for the seventies 

 - Madison :  The Society,  1971 
 - 65 p. 
 - ASA special publication  ; 19 .
 - ASA special publication  ; 19 .
<br/><br/> 36-65 
<br/><br/><label>LCCN: </label>356 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Investigación.<br/>Política agrícola.<br/>Política alimentaria.
<br/><br/><label>Dewey Class. No.: </label>338.9  / A58