000 00354nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a81-203-1483-2
082 _a621.38
_bSCH
100 _aSchoeubeck,Robert J
245 0 _aelectronic communications modulation & transmission
260 _aNew Delhi
_bPrentice -Hall of India
_c1999
365 _a225
999 _c249302
_d249302