Abu-Shakra, S S <br/><br/>
Nitrogen fixation and delayed leaf senescence in soybeans.  [electronic resource] 

 -  Science (New York, N.Y.)  Mar 1978 
 - 973-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.199.4332.973  doi