000 00251nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aTOCCI (RONALD)
245 0 _aDIGITAL SYSTEMS: PRINCIPLES & APP.
250 _a10TH
260 _bPHI
942 _2ddc
999 _c99210
_d99210