Enger, Eldon D. <br/><br/>
Environmental science :  a study of interrelationships / 
Eldon D. Enger, Bradley F. Smith 
 - 12th ed. 
 - Boston :  McGraw-Hill Higher Education,  c2010 
 - xxvi, 485 p. :  col. ill., col. map ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780070171664 (inter. stud. ed.) 0071271422 (inter. stud. ed.) 9780073383200 (pbk. : alk. paper) 0073383201 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Textbooks