TY  - BOOK
AU  - Wittering W O
TI  - Weeding in the forest: A world study approach
T2  - Forestry commission bulletin; 48
U1  - JB, L4 
PY  - 1974///
CY  - London
PB  - Her Majesty's Stationery Office      
KW  -  Forestry
KW  - Agriculture
ER  -