Negi, Sharad Singh. <br/><br/>
Environmental Problems in the Himalaya /  
by Sarad Singh Negi. 
 - Dehra Dun-248001 :   Bishen singh Mahendra Pal Singh ,   1982 
 - ii, 184p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Science
<br/><br/><label>Dewey Class. No.: </label>G:55  / M2;1