TY  - BOOK
AU  - Oliver, Frank J.
AU  - xx, 686 p.
AU  - Title
TI  - Practical relay circuits
SN  - 027331808X
PY  - 1973///
CY  - UK
PB  - Pitman Publishing
KW  - Electric relays
KW  - Switching theory
N1  - Includes index
ER  -