TY - BOOK AU - Marattukalam J.G. AU - George P.J. AU - Premakumari D. TI - Performance of a few RRII clones of Hevea brasiliensis (Willd. ex. Adr. de Juss) Muell. Arg. in a large scale trial PY - 1991/// PB - Placrosym VIII, 1988, Cochin, India. Journal of Plantation Crops, 18 (Supplement): 3-6 KW - Clone evaluation KW - RRII clone ER -