TY  - BOOK
AU  - Prigmore B .J.
AU  - Williams, G. E.Prigmore B .J.
TI  - Electrical engineering
AV  - 621.3 WIL 1963 
U1  - 621.3 WIL 1963 
PY  - 1963///
CY  - London
PB  - Heinemann Educational Books Ltd
KW  - Electronic Engineering
ER  -