Porteous, Andrew. <br/><br/>
Dictionary of Environmental Science and Technology / 
Andrew Porteous. 
 - 3rd ed. 
 - New York :  Wiley,  2000. 
 - xxiii, 704 p. :  [pb] 
<br/><br/><label>ISBN: </label>0471633763 
<br/><br/><label>Dewey Class. No.: </label>RD-628.03  / POR-D