TY  - BOOK
AU  - Hubert,Charles I.
TI  - Preventive maintenance of electrical equipment
U1  - 621.313 
PY  - 1969///
CY  - New York
PB  - McGraw-Hill
KW  - Electric machines
KW  - Electric generators
KW  - Direct current
KW  - Electric motors, direct current
N1  - Includes index
ER  -