Ryschkewitsch, G E; Ravindran, P K, Tr.; Narayana Panicker, P A, Tr Rasa bandhavum thanmathra jyamithiyum (m) - State Institute of Languages, TVPM 1973 - 108 Subjects--Topical Terms: Molecular bonds and valances; Theoretical chemistry Dewey Class. No.: S 541.224 RYS-R