000 00364nam a2200145Ia 4500
001 4493
008 150525s9999 xx 000 0 und d
020 _a0-13-214072-2
100 _aJohnson David
245 _aDigital Circuits And Microcomputers
250 _a0
260 _aLondon
_bPrentice/Hall Int
_c1979
300 _a,;ill.
650 _aDigital Electronics
999 _c33651
_d33651