000 00428nam a2200181 4500
020 _a9789384294786
_c
082 _aG 534 GUP-M
100 _aGupta, A.B
245 _aModern acoustics
250 _a
260 _aBooks & Allied Pvt. Ltd., Calcutta
_c2017
300 _a414+index
490 _a
500 _aGift copy
590 _aNeelakantan(Books and Allied (P) Ltd.
_bnil
_c
650 _aacoustics
942 _cBK
999 _c484092
_d484092