TY  - BOOK
AU  - Premakumari D
AU  - Marattukalam J G
AU  - Panikkar A O N
TI  - Structure of the bark and clonal variability in Hevea brasiliensis (Willd. ex A. Juss.)Muell. Arg
PY  - 1985///
PB  - Annals of Botany
ER  -