TY  - BOOK
AU  - Shepherd, J.
AU  - Morton, A. H.
AU  - Spence, L . F.
TI  - Higher electrical engineering
SN  - 0582988888
AV  - TK 145 she1970.
PY  - 1970///
CY  - London
PB  - Longman Scientific & Technical
N1  - Includes index
ER  -