TY  - BOOK
TI  - RRIM Course on tapping, tapping systems and yield stimulation of Hevea 11-16 July 1977
U1  - NR:631.551977 
PY  - 1977///
CY  - Kuala Lumpur
PB  - RRIM
KW  - Brown bast
KW  - Tapping system
ER  -