TY  - BOOK
AU  - Lewin, D and D. Protheroe
TI  - Design of logic systems 
SN  - 0412428903
AV  - TK 7868 .L49 1992
PY  - 1992///
CY  - London
PB  - Chapman & Hall
KW  - Switching circuits
KW  - Logic design
KW  - Integrated circuits
ER  -