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005 20250626141942.0
008 241013s9999 xx 000 0 und d
020 _a817900056
100 _aLathi B.P.
245 0 _aCommunication System
260 _bNeelama Prakashana
_c2011
300 _a160
942 _cBK
999 _c2432
_d2432