Wildlife conservation evaluation 
edited by Michael E. Usher 
 - London  Chapman & Hall  1986 
 - 394 p. : ill. ; 24 cm. 
<br/><br/>Bibliography : p. 339-369 
<br/><br/><label>ISBN: </label>0412267608 
<br/><br/><label>LCCN: </label>85-26964 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wildlife conservation--Evaluation