TY  - BOOK
AU  - Higonnet R A
AU  - Grea R A
TI  - Logical design of electrical circuits
U1  - 621.3815 
PY  - 1958///
CY  - London
PB  - McGraw-Hill
KW  - Electronic circuits
N1  - With a table of four-relay circuits by E F Moore
ER  -