000 00328nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a HEY
100 _aHeykin, Simon
245 0 _aDigital Communications
260 _aNEW DELHI
260 _bWILEY
260 _c2011
300 _a595
650 _aElectrical Engineering
999 _c130658
_d130658