Ecologists and ethical judgements / 
edited by N.S. Cooper and R.C.J. Carling 
 - London :  Chapman & Hall,  1996 
 - 165 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0412709805  RM121.35 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Valuation<br/>Environmental sciences<br/>Environmental ethics