000 00293nam a2200133Ia 4500
100 _aRoger L Tokheim
020 _a0-07-113704-1
250 _a4th ed
942 _cBK
245 _aDigital electronics
260 _aMcGraw - Hill, New York
_c1994
082 _a621.3817 Tok
300 _axi,345
999 _c32425
_d32425