Humphrey Robert R <br/><br/>
Range ecology 

 - New York       Ronald Press         1962 
 - v, 234p.  cm. 
<br/><br/><label>Standard No.: </label>45656 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>G:55, K2