Wright Richard T. <br/><br/>
Environmental science .   Toward a sustainable future / 
R. T. Wright; Edt.: Dan Kaveney 
 - ninth edt. 
 - New Jersey :  Pearson Prentice Hall,  2005. 
 - XIII+712 p. ;  ill., CD;  28 cm 
<br/><br/><label>ISBN: </label>0131442007 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmentalism
<br/><br/><label>Subjects--Index Terms: </label>ՍԷՄ 
<br/><br/><label>Universal Decimal Class. No.: </label>502.7/W-88