000 00295nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
100 _aRobert J Schoenbeck
245 0 _aElectronic communications modulatons and transmissions
250 _a2
260 _bPrentice Hall Of India
_c2003
942 _cBK
999 _c5788
_d5788