Ellen Roy <br/><br/>
Environment, subsistence and system 

 - London  Cambridge            1982 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Geography<br/> Geography Enviornment<br/>Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), M2\TD