Eckholm, Erik P <br/><br/>
Down to earth: Environment and human needs 

 -  Affiliated East-West Press Pvt. Ltd., Madras  1991 
 - 238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physiology; Biology
<br/><br/><label>Dewey Class. No.: </label>PG 574.1  ECK-D