Conserving the world's biological diversity / 
Jeffrey A. McNeely ... [et al.] 
 - Washington, D. C. :  World Wildlife Fund-US,  1990 
 - 193 p. :  ill. ;  29 cm. 
<br/><br/>Bibliography: p. 157-183 
<br/><br/><label>ISBN: </label>0915825422  RM55.70 
<br/><br/><label>LCCN: </label>89-051386 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity conservation