Subrahmanyam, N; Brij Lal Waves and oscillations / Subrahmanyam, N; Brij Lal - Vikas Publishing House Pvt. Ltd., New Delhi, 1985 - p. ; 22 cm. ISBN: 0706927605 Subjects--Topical Terms: Wave theories; Physics Dewey Class. No.: 530.14 SUB-W