Negi, S.S.  x <br/><br/>
Soil conservation  x 

 - x 
 - Dehara Dun  Bishen Sing Mahendra Pal Singh  1983 
 - (6), 88 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation Forests and forestry 
<br/><br/><label>Dewey Class. No.: </label>613.4/N384s