000 00295nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a534.076 M432
100 _aMATHUR,D.S
245 0 _aNUMERICAL EXAMPLES ON SOUND
260 _bRAM PRASAD & SONS, AGRA
_c1972
300 _a22X14
942 _cBK
999 _c61889
_d61889