TY - BOOK AU - Subrahmanyam,N. AU - Lal, Brij TI - A textbook of sound SN - 0706998170 U1 - 535 22 PY - 2005/// CY - New Delhi PB - Vikas KW - Harmonic oscillators N1 - Includes references (p. 280- 281) and index; Dept. of Civil Engineering ER -