TY  - BOOK
AU  - Sheldon, Samuel
TI  - Dyanmo electric machinery: Its construction design and operation 
AV  - TK2182 S44 1910
PY  - 1910///
CY  - New York
PB  - Van Nostrand, C. lockwood
KW  - Maquinaria eléctrica
KW  - Corriente directa
ER  -