TY  - BOOK
AU  - Edwards, J. D.,
TI  - Electrical machines & drives: An introduction to principles and characteristics 
T2  - Macmillan new electronics series
SN  - 0333536509
AV  - TK2000 E378
PY  - 1991///
CY  - London
PB  - Macmillan
KW  - Ingeniería eléctrica
ER  -