Cunningham, William P. <br/><br/>
Environmental science :  a global concern. / 
by William P. Cunningham. 
 - 7th.  ed. 
 - Boston :  Mcgraw-Hill,  2003. 
 - xvii, 646  p. :  ill (some col.) ;    cm. 
<br/><br/><label>ISBN: </label>0070294267  $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science.