TY  - BOOK
AU  - Parkash,Ram  .
AU  - Khanna,L.S  .
TI  - Theory and practice of silvicultural systems / 
SN  - 8170891485
U1  - 634.95 
PY  - 1979///
CY  - Dehra dun : 
PB  - International Book , 
KW  - SILVICULTURE
N1  - Include bibliography and index
ER  -