Negi, Sharad Singh <br/><br/>
Environmental problems in the himalaya 

 - Dehra Dun  ; Bishen Singh Mahendra Pal Singh  , 1982 
 - 188p. 
<br/><br/><label>ISBN: </label> 75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Problems
<br/><br/><label>Dewey Class. No.: </label>363.7  / NEG