Enger, Eldon D. <br/><br/>
Environmental science :  a study of interrelationships. 

 - 7th ed. / 
 - Boston, Mass :  McGraw-Hill,  2000. 
 - xxi, 434 p. :  col. ill., col. maps ;  28 cm. +  1 computer laser optical disc (4 3/4 in.) 
<br/><br/>interrelatedness;<br/>ecological principles and their application;<br/>energy;<br/>human influences on ecosystems;<br/>pollution and policy<br/> 
<br/><br/><label>ISBN: </label>0072304952 (hardcover) 9780071169967 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>Dewey Class. No.: </label>628  / E576