Saigo cunningham  <br/><br/>
Environmental science :    A global concern/ 
Saigo Cunning. 
 - 6th ed. 
 - USA :   Mc graw Hill,   2001.  
 - xix, 646 p. : 
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>72909323 
<br/><br/><label>Subjects--Topical Terms: </label><br/>environmental
<br/><br/><label>LC Class. No.: </label>GE 105 .C86 2001