TY  - BOOK
AU  - Parkash,Ram, khann, L.S.
AU  - x
TI  - Theory & practice of silvicrltural systems: x
SN  - x
U1  - 634.9501/P235t 
PY  - 1979///
CY  - Delhi
PB  - Periodical Expert Book Agency
KW  - Forests and forestry
N1  - Includes
ER  -