Gordon,Rue E.  <br/><br/>
1993 Conservation Directory  
/ by Rue E. Gordon 
 - 38th ed.  
 - Washington:  National Wildlife Federation,   1993.   
 - 430p.  
<br/><br/><label>ISBN: </label>0945051549 
<br/><br/><label>Dewey Class. No.: </label>639.9  / GOR/C