Westman, Walter.E. <br/><br/>
Ecology, Impact assessment, and environmental planning 

 - New York  John Wiley & Sons  1985 
 - xi, 532p. 
<br/><br/><label>ISBN: </label>0471808954 
<br/><br/><label>Dewey Class. No.: </label>574.5  / W33E