000 00255nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aMALVINO A P & LEACH D P
245 _aDIGITAL PRINCIPLES AND APPLICATIONS
250 _a4
260 _c1986
_bMC GRAW HILL
999 _c21279
_d21279