Cowan Henry J <br/><br/>
Environmental systems 
Cowan Henry J; Smith Peter R 
 - New York  Van Nostrand Reinhold Company U S A     1983 
 - 240p.  cm. 
<br/><br/> Appendix p. 227-30; Glossary p. 231-35 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human Geography
<br/><br/><label>Dewey Class. No.: </label>U481:(G:55), M3