Grumbine, R. Edward. <br/><br/>
Ghost bears :  exploring the biodiversity crisis / 
R. Edward Grumbine ; foreword by Michael Soulae. 
 - Washington, D.C. :  Island Press,  c1992. 
 - xx, 294 p. :  ill., map ;  24 cm. 
<br/><br/> Originally presented as the author's thesis (Ph. D.--Union Institute). 
<br/><br/>Includes bibliographical references (p. [249]-274) and index. 
<br/><br/><label>ISBN: </label>155963152X (cloth : acid-free paper)   $25.00 1559631511 (paper : acid-free paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity conservation--Philosophy.<br/>Environmental ethics.
<br/><br/><label>LC Class. No.: </label>QH75  / .G75 1992 
<br/><br/><label>Dewey Class. No.: </label>333.95