Billings W D Ed. <br/><br/>
Ecological studies: Analysis and synthesis 
Billings W D Ed.; Golley F Ed.; Lange O L Ed. 
 -  1991 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>49182 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Rivers<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H4227:(G:55).7324, N1