Raven Peter M <br/><br/>
Biology of plants 

 - 2 
 - New York   Worth Publishers inc      1976 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>79480 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>I, L61