Negi, S S. Handbook of silviculture system / S S Negi. - Dehra Dun : Bishen Singh Mahendra Pal Singh , 1985. - ii, 172p. : ill.,fig.,table. ; 18cm . Includes appendix ISBN: NULL (hbk) Subjects--Index Terms: SILVICULTURE SYSTEM Dewey Class. No.: 634.95 / NEG/H