000 00349nam a2200121Ia 4500
008 211224s9999 xx 000 0 und d
020 _a9788120327122
082 _a621.382 NII
245 0 _aAdvanced digital communication systems
260 _aNew Delhi:
_bPHI Learning,
_c2009
300 _ax, 563 p. : ill. ; 24 cm
650 _aDigital communications
999 _c11343
_d11343