Subrahmanyam, N. A textbook of sound/ N. Subrahmanyam and Brij Lal. - Second Revised Ed.-1995 - New Delhi: Vikas Publishing House Pvt. Ltd.; c1974. - xiii, 285p.: ill.; 21 cm. Includes index. ISBN: 0706998170 Subjects--Topical Terms: SoundPhysics Dewey Class. No.: 534/SUT