Enger, Eldon D. <br/><br/>
Environmental science  a study of interrelationships 
Eldon D. Enger, Bradley F. Smith. 
 - Seventh edition 
 - xxi, 434pages  illustrations  28cm. 
<br/><br/> Includes index: p.425-434 
<br/><br/><label>ISBN: </label>0072304952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science.
<br/><br/><label>LC Class. No.: </label>GE105  / .E54 2000