Cunningham, William P. <br/><br/>
Environmental science  a global concern 
William P. Cunningham 
 - 6th ed. 
 - Boston :  McGraw Hill,  2001. 
 - xix,646p. :  ill. ;  29cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences
<br/><br/><label>LC Class. No.: </label>QTO GE105.C86 2001