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Now showing 1 - 4 of 4

Preliminary laboratory studies on Eppawela apatite
(National Science Council:Colombo, 1981) Amarasekera, J.; Sooriyakumaran, R.; Ismail, M.G.M.U.
Decarbonation reaction and the origin of vein-graphite in Sri Lanka
(National Science Council:Colombo, 1977) Hapuarachchi, D.J.A.C.
Phosphate mineral fertilizers, trace metals and human health
(National Science Foundation:Colombo, 2009-9) Dissanayake, C.B.
Geology and occurrence of gems in Sri Lanka
(National Science Counicl:Colombo, 1984) Herath, J.W.