Deepanada, K.H.M.A.; De Silva, W.A.J.P.; Chandana, E.P.S.; Priyangani, P.M.C.; Priyanka, S.B.T.; Weerasinghe, S.S.S.; Dharmasiri, H.W.; Peiris, L.D.C.; Samayawardhena, L.A.
(Sri Lanka Association for the Advancement of Science, Colombo, 2001)
Attached.