Karunarathna, B.S.B. දෝලන සහ තරංග = usas peLa nava nirdeeehaya BHauthika vidyaava :doolana haa tharanga - Peradeniya: Author, 2010. - 290p.; 21cm ISBN: 955-97113-1-8 Subjects--Topical Terms: Wave machanicsPhysics Dewey Class. No.: 530.124 / KAR