Arudpragasam, D. K. Ratnapail, Ranjini. A check - list of land snails of sri lanka Ranjini Ratnapail, K. D. Arudpragasam - Colombo Natural Resources, Energy & Science Authority of Sri Lanka - 10:12 A12/P12 - Man and the Biosphere National Committee for Sri Lanka Publi . Dewey Class. No.: 594.3 / RAT