00394nam a2200157Ia 4500 211211s9999||||xx |||||||||||||| ||und|| AKCL 534 SAI-T Saihgal, R.L. A Textbook of Sound / by R.L. Saihgal Delhi : S.Chand, 1960 IV, 236 p. Physics Sound and Related Vibrations BK 9574 9574 0 0 0 0 AKCL AKCL 2021-12-11 16.50 0 534 SAI-T 49096 2021-12-11 00:00:00 2021-12-11 BK