000 00354nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a81262270158
082 _a621
082 _b38 CAN
100 _a"Cannon, Donl"
245 0 _aUnderstanding Digital Tr
260 _aUSA
260 _bHoward W Sams & Co.
260 _c1984
300 _a"IV, 266"
999 _c28541
_d28541