Cunningham William P <br/><br/>
Understanding our environment  An introduction    

 - Iowa  W C Brown          1994 
 - xviii,389p. Bib chapterwise ,Appendix p.346-71  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography- Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), N4