Rolston, Holmes,  1932- <br/><br/>
Environmental ethics :  duties to and values in the natural world / 
Holmes Rolston III. 
 - Philadelphia :  Temple University Press,  1988. 
 - xiii,391 p.  24 cm. 
 - Ethics and action .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 
<br/><br/><label>ISBN: </label>087722501X (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology--Moral and ethical aspects.
<br/><br/><label>LC Class. No.: </label>GF80  / .R64 1988 
<br/><br/><label>Dewey Class. No.: </label>179/.1