Johnson, Lawrence E. <br/><br/>
A morally deep world :  an essay on moral significance and environmental ethics / 
Lawrence E. Johnson. 
 - Cambridge [England] :  Cambridge University Press,  c1993. 
 - ix, 301 p. ;  24 cm. 
<br/><br/> Includes Index. 
<br/><br/>Includes bibliographical references :p. 289-295. 
<br/><br/><label>ISBN: </label>0521447062 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Moral and ethical aspects.<br/>Environmental ethics.<br/>Animal rights.