TY  - BOOK
AU  - Langsdorf,Alexander S., x
AU  - x
TI  - Theory of alternating current machinery : x
SN  - x 
U1  - 621.3133/LAT  
PY  - 1974///
CY  - New  Delhi
PB  - Tata McGraw-Hill 
KW  - Machinery
KW  - Physics
ER  -