Proceedings 

 - Urbana :  University of Illinois,  1976 
 - 1073 p.  ; gráfs. 
<br/><br/> Fotocopia 
<br/><br/><label>LCCN: </label>52741 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soya--Congresos.
<br/><br/><label>Dewey Class. No.: </label>633.34  / W67 1975