TY  - BOOK
AU  - Wellman, William R. 
TI  - Elementary industrial electronics
U1  - 621.381 
PY  - 1957///
CY  - New york
PB  - D. van Nostrand
KW  - Electric motors control
KW  - Electronic switching
KW  - Microelectronics
N1  - Includes index
ER  -