Digby,Bob <br/><br/>
The human environment/ 
Bob,Digby [et...al] 
 - 256p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0435352261 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human environment
<br/><br/><label>LC Class. No.: </label>GF 75 DIG 1996