000
00292nam a2200121Ia 4500
008
220201s1989 xx 000 0 eng d
082
_a
621.3815
_b
HAL
100
_a
Hall,Douglas V.
245
0
_a
Digital circuits and system
260
_a
Ny
_b
Mcgraw Hill
_c
1989
300
_a
554
942
_2
ddc
999
_c
34554
_d
34554