TY  - BOOK
AU  - Pritchard, M.A., ed.
TI  - A systems approach to forest operations planning control
T2  - Forestry commission bulletin; 
U1  - 634.92 21st ed.
PY  - 1989///
CY  - London
PB  - Her Majesty Stationery Office
KW  - Forest management
KW  - Information systems
KW  - Planning
ER  -