Negi, S.S.. <br/><br/>
Current Trends in Geography and Earth Science Vol.IV /  

 - 1st Edn. /  
 - Jaipur :   Printwell ,   1993 
 - viii, 462p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U21  / N4;3