Cunningham William P. <br/><br/>
Environmental Science : A Global Concern / William P. Cunningham Barbara Woodworth Saigo. 

 - 4th ed. 
 -  Dubuque Ia : Wm. C. Brown Publishers C1997. 
 - XXI 634 P. : ILL. (SOME COL.) COL. MAPS 28 CM. 
 -  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>0697286711 (Pbk)