Kudryavtsev, B; Nair, K K, Tr. Namukku kelkkan kazhiatha sabdangal (m) / Kudryavtsev, B; Nair, K K, Tr. - State Institute of Languages, TVPM, 1973 - p. ; 22 cm. Subjects--Topical Terms: Sound & related vibrations; Physics Dewey Class. No.: 534 KUD-N