Leopold, A C <br/><br/>
Senescence in Plant Development: The death of plants or plant parts may be of positive ecological or physiological value.  [electronic resource] 

 -  Science (New York, N.Y.)  Dec 1961 
 - 1727-32 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.134.3492.1727  doi