Rolston, Holmes III <br/><br/>
Environmental ethics:  duties to and values in the natural world/ 
Rolston, Holmes III 
 -  Philadelphia: Temple University Press  1988 
 - Ethics and action series .
<br/><br/> 13044  Human ecology -- Moral and ethical aspects 
<br/><br/><label>ISBN: </label>0-87722-501-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology -- Moral and ethical aspects
<br/><br/><label>Dewey Class. No.: </label>179.1/ROL/E