Higher-yielding human systems for agriculture / 
edited by William Foote Whyte and Damon Boynton. 
 - Ithaca :  Cornell University Press,  1983. 
 - 342 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0801416116 
<br/><br/><label>LCCN: </label>8345151  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Research--Congresses.<br/>Agriculture--Social aspects--Congresses.<br/>Agricultural systems--Congresses.