TY  - BOOK
AU  - Langsdore, Alexander s
ED  - Mcgraw-Hill Book Company, Inc Yew York and Lodon
TI  - Principles of Direct Current Machines
U1  - 621.3132 
CY  - Yew York and Lodon
KW  - mce
N1  - 0; 0; 0; 621_313200000000000_LAN
ER  -