TY  - BOOK
AU  - Nugawela A
AU  - Abeysinghe D C A
AU  - Samarasekera R K
TI  - Diurnal variation in gas exchange characters of leaves of Hevea brasiliensis exposed to sun light at different canopy levels and their contribution to dry matter production
PY  - 1995///
PB  - Journal of the Rubber Research Institute of Sri Lanka
ER  -