Humphrey, Robert Regester. <br/><br/>
Range ecology 

 - New York :  Ronald,  1962 
 - 234 p.  : ilus. 
<br/><br/><label>LCCN: </label>17375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pastizales.
<br/><br/><label>Dewey Class. No.: </label>574.5  / H85