TY  - BOOK
AU  - Heumann,Gerhart W.
TI  - Magnetic control of industrial motors / 
T2  - General electric series
PY  - 1947///,1961
CY  - New York, London : 
PB  - Wiley, 
KW  - MOTORES ELECTRICOS
KW  - CONTROL DE MOTORES
N1  - Tomo I: Alternating-current, control devices and assemblies - Tomo II: Alternating-current, motor controllers -Tomo III: Direct current, motor controllers
ER  -