000 00310nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.382 TAU
100 _aTaub Herbert & G Schelling Donald
245 _aPrinciples of Communication Systems
260 _aNEW DELHI
_bTMH
365 _cRS
999 _c204347
_d204347