The Preservation of species :   the value of biological diversity /  
edited by Bryan G. Norton. 
 - Princeton, N.J. :   Princeton University Press,   c1986. 
 - xi, 305 p. ;    24 cm. 
<br/><br/>  "Written under the auspices of the Center for Philosophy and Public Policy, University of Maryland"--Opp. t.p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0691083894 
<br/><br/><label>LCCN: </label>85-042696 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wildlife conservation.--------<br/>Biodiversity conservation.--------<br/>Species diversity.--------<br/>Extinction (Biology)--------
<br/><br/><label>Dewey Class. No.: </label>333.95