TY  - BOOK
AU  - Nair V.K.B.
AU  - George M.J.
TI  - Tapping system and their notations
PY  - 1974///
PB  - In: Lecture notes for short-term training course on rubber cultivation, processing and estate management. Rubber Research Institute of India, Kottayam, India
KW  - Tapping notation
KW  - Tapping system
ER  -