TY  - BOOK
AU  - Thomalen, Adolf.
TI  - A text book of electrical engineering
U1  - 621.3 
PY  - 1925///
CY  - London
PB  - Edward Arnold & Co.
KW  - MCE
N1  - 0; 0; 0; 621_300000000000000_THO
ER  -