TY  - BOOK
AU  - Friedman, Arthur D
TI  - Logical design of digital a systems. 
SN  - "0 273 01061 1"
U1  - TK7868 .S9 
PY  - 1977///
CY  - London
PB  - Pitman Publishing Ltd., 
KW  - 1. Logic circuits 2. Switching theory 3. Computer circuits
KW  - "Y"
N1  - "N"
ER  -