TY  - BOOK
AU  - Appels,J.Th
AU  - Geels,B.H.
TI  - Handbook of relay switching technique
T2  - Philips technical library
AV  - TK7872.R38 A63
U1  - 621.381 537 APP G 
PY  - 1966///
CY  - New York
PB  - Springer-Verlag
KW  - Electric relays
KW  - Electronic circuits
ER  -