Wolf, Edward C., <br/><br/>
On the brink of extinction :  conserving the diversity of life / 
Edward C. Wolf.. 
 - Washington, D.C. :  Worldwatch Institute,  1987 
 - 54 pages :  22 cm. 
 - Worldwatch paper  78 .
<br/><br/>Bibliography: p.45-53 
<br/><br/><label>ISBN: </label>0916468798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity conservation.