Subrahmanyam, N Waves and Oscillations / N Subrahmanyam and Brij Lal - 2nd ed. - New Delhi : Vikash Publishing House PVT LTD, 2011. - 432 p. : ill.; 22 cm. ISBN: 0706985435 Subjects--Topical Terms: OscillationsMathematical Physics Dewey Class. No.: 531.1133 / SUB 2011