2.NSF Publications
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Item Essential oils III:chemical constituents of the volatile oil from the bark of a rare variety of cinnamon(National Science Council:Colombo, 1974) Wijesekera, R.O.B.; Jayewardene, A.L.Item The chemical composition and analysis of citronella oil(NSC:Colombo, 1973) Wijesekera, R.O.B.Item Chemistry of the Guttiferae of Ceylon(NSC:Colombo, 1973) Sultanbawa, M.U.S.Item Manioc:selected topics(NSC:Colombo, 1973) Jansz, E.R.; Nethsingha, C.Item Essential oils II:infra-red spectroscopy in the analysis of the volatile oils of cinnamon(National Science Council:Colombo, 1974) Wijesekera, R.O.B.; Fonseka, H.Item Chemistry of the Guttiferae of Ceylon(1973) Sulthanbawa, M.U.S.Item Essential oils IV Recent studies on the volatile Oils of cinnamon(NSC:Colombo, 1975) Wijesekera, R.O.B.; Jayewardene, A.L.; Rajapakse, L.S.; Fonseka, K.H.Item Alkaloids of the Catharanthus species of Sri Lanka:some preliminary studies(National Science Council:Colombo, 1976) Gunatilaka, A.A.L.; Siriwardene, H.M.U.; Sotheeswaran, S.; Balasubramaniam, S.