000 00346nam a2200157Ia 4500
100 _aDas, Apurba
080 _a621.382 Das
526 _dTB
526 _aUG
366 _f20
942 _cBK
245 _aLine communication system 2nd ed
260 _aNew age international (p) limited
_bNew Delhi
_c2010
300 _axvii,266
546 _aE
999 _c73318
_d73318