Cunningham Williams P. <br/><br/>
Principles of environmental science :  inquiry and applications / 

 - 4th 
 - New York  McGraw-Hill publishing company limited  2008 
 - xxii, 410P.  ill., Pbk 
<br/><br/><label>ISBN: </label>0070647720 
<br/><br/><label>LC Class. No.: </label>GE40.C8 2008