Browsing by Author "Rupasinghe, M.S."
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Item The genesis of thorium-rich monazite placer deposits in Sri Lanka(National Science Council:Colombo, 1983) Rupasinghe, M.S.; Gocht, W.; Dissanayake, C.B.Item The niobium and yttrium abundances in the sedimentary gem deposits of Sri Lanka(National Science Council:Colombo, 1986) Dissanayake, C.B.; Rupasinghe, M.S.