TY  - BOOK
ED  - Westinghouse Electric International Company
TI  - General catalog: 1939-1940 
AV  - TK451 W47 1940
PY  - 1940///?]
CY  - New York
PB  - Westinghouse electric
KW  - Ingeniería eléctrica
KW  - Catalogos
ER  -