00412nam a22001457i 4500001001000000005001700010008004100027082001800068100002100086245003000107260005400137300001700191650004000208020001800248SXC00830520260819093438.0260101s1968    ii            000 0 eng d  a534 EFR-S222  aEfron, Alexander10aSound /cEfron, Alexander  abVakils Feffer & Simons Pvt. Ltd., Bombay,c1968  ap. ;c22 cm. 0aSound & related vibrations; Physics  a9780490001411