Kellert, Stephen R., <br/><br/>
The value of life :  biological diversity and human society / 
Stephen R. Kellert. 
 - Washington, D.C. :  Island Press,  1996. 
 - 263 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1559633174  RM94.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology--Philosophy.<br/>Philosophy of nature.<br/>Environmental degradation--Moral and ethical aspects.<br/>Nature conservation--Philosophy.<br/>Biological diversity conservation--Philosophy.