Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham, Barbara Woodworth Saigo. 
 - 3rd ed. 
 - Dubuque, IA :  Wm. C. Brown Publishers,  1995. 
 - xxi, 612 p. :  ill. (some col.) ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0697158942 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.