TY  - BOOK
AU  - Appels, J. Th.
AU  - Geels, B. H.
TI  - HANDBOOK OF RELAY SWITCHING TECHNIQUE
U1  - 621.381537 
PY  - 1966///
CY  - New York
PB  - Springer
KW  - Electric Relays
KW  - Electronic Circuits
ER  -