Singh, Onkar <br/><br/>
Frontiers in environemental geography 

 - New Delhi  Concept publication house  1993 
 - 436 p. 
<br/><br/> 20831 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>910.03  / S