Enger, Eldon D. <br/><br/>
Environmental science  a study of interrelationships 
Eldon D. Enger and Bradley F. Smith 
 - 4th ed. 
 - New York, N. Y.  Mc Graw-Hill  c2016 
 - xx, 492 p.  col. ill.  28 cm. 
<br/><br/>Includes appendices, glossary & index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science