000 00294nam a2200121Ia 4500
008 190812s9999 xx 000 0 und d
020 _a9788131717141
100 _a"Glover I.A ,& Grant P.M"
245 0 _aDigital Communications 2nd edition
260 _bPearson
365 _b1049
942 _cBK
999 _c6331
_d6331