Knapp, Brian,  1946- <br/><br/>
The challenge of the natural environment / 
Brian Knapp. 
 - Hawlow :  Longman,  1989 repr.1994. 
 - 272 p. :  ill.;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0582355974 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography.<br/>Environmental engineering.<br/>Environmental impact analysis.