000 00267nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.382
_bTAU
100 _aTaub Herbert
245 0 _aPrinciples of Communication Systems
260 _bTMH
_aNew Delhi
942 _cBB
999 _c8891
_d8891