000 00405nam a2200181Ia 4500
003 NDCL
008 180829s9999||||ii |||||||||||||| ||eng||
020 _a11273
040 _aNDCL
041 _aEnglish
082 _a535 CP
_216th ed
100 _aChakraborty
100 _aChowdhury
245 2 _aA text book of wave and acoustice
_cChakraborty
260 _c0
650 _aPhysics
942 _2DDC
_cBK
999 _c3026
_d3026