TY  - BOOK
AU  - Karim M.A.
AU  - Johnson
TI  - Digital Design
SN  - 0000021038
U1  - 1.6404 
PY  - 1987///
CY  - Boston
PB  - PWS Publishing Co., Boston.
KW  -  Digital
KW  - Design
KW  - Digital Computer Hardware
ER  -