Cunningham, William P. <br/><br/>
Environmental science :  a global concern 
William P. Cunningham, Mary Ann Cunningham, Barbara Woodworth Saigo 
 - 7th ed. 
 - Boston :  McGraw-Hill,  2003. 
 - xvii, 646 p. :  ill. (some col.), col. maps ;  29 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0070294267  RM375.94 
<br/><br/><label>LCCN: </label>2001-044744 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences