000 00390nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a005.1
_bSCH
100 _aSchilling, T
245 0 _aPrinciples of communication systems
260 _aNew Delhi :
_bTata Macgraw-Hill,
_c2001.
300 _a300
365 _a230
650 _aComputer EngineeringInformation Technology
999 _c140515
_d140515