DURY, GEORGE <br/><br/>
AN INTRODUCTION TO ENVIRONMENTAL SYSTEMS 
GEORGE DURY 
 - LONDON  HEINEMANN EDUCATIONAL BOOKS LTD  1981 
 - 366P  ILL 
<br/><br/><label>ISBN: </label>0-435-08001-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EARTH SCIENCES <br/>PHYSICAL GEOGRAPHY