Rolston, Holmes. <br/><br/>
Environmental ethics  : Duties to and values in the natural world 
/ by Holmes Rolston 
 - USA:   Temple University Press,   1988. 
 - xiii, 391p. 
 - Ethics and action .
<br/><br/><label>ISBN: </label>087722501-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosystems<br/>Human ecology<br/>Life science<br/>Natural rights
<br/><br/><label>Dewey Class. No.: </label>574.5  / ROL/E