00438nam a22001457i 4500001001000000005001700010008004100027082001900068100003000087245005100117250001000168260005700178300001700235650004000252SXC01098820260819093511.0260101s1978    ii            000 0 eng d  a534 SUB-T2222  aSubrahmanyam, N; Brij Lal10aTextbook of sound /cSubrahmanyam, N; Brij Lal  a2 ed.  abVikas Publishing House Pvt. Ltd., New Delhi,c1978  ap. ;c22 cm. 0aSound & related vibrations; Physics