TY - BOOK AU - Vijayakumar K.R. AU - Karunaichamy K. AU - Rajagopal R. AU - Thomas K.U. TI - Extension of low frequency tapping and controlled upward tapping by researchers PY - 2003/// PB - Proceedings of the International Workshop on Exploitation Technology, 15-18 December 2003, Rubber Research Institute of India, Kottayam, India, pp. 267-279. KW - Controlled upward tapping KW - Low frequency tapping ER -