TY  - BOOK
AU  - Lang, Johannes, G 
TI  - Magnetic field: siemens series 
SN  - 81-224-0219-4 
U1  - 621.381 52 LAN  
PY  - 1993///
CY  - Wiley eastern limited 
PB  - New Delhi 
KW  - CIRCUITRY
ER  -