000 00314nam a2200145Ia 4500
008 220709s9999 xx 000 0 und d
082 _a621.38
_bJON
100 _aJONES EDWIN
245 0 _aDIGITAL TRANSMISSION
250 _a1
260 _bMC-GRAW HILL BOOK COMPANY
300 _a0
942 _cREF
999 _c80663
_d80663