Enger Eldon D <br/><br/>
Environmental science: A study of interrelationships 

 - 4 
 - Dubuque  WCB           1992 
 - 514p.  cm. 
<br/><br/><label>Standard No.: </label>56656 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environment<br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G:55, N2