TY  - BOOK
AU  - Lewin,Douglas
TI  - Logical design of switching circuits
SN  - 0171760034
U1  - 621.381537 
PY  - 1968///
CY  - London
PB  - Nelson
KW  - Switching theory
KW  - Electronic digital computers
KW  - Circuits
KW  - Electronic circuit design
N1  - Includes bibliographies
ER  -