TY  - BOOK
AU  - Shepherd,John
AU  - Spence,Lyndon Foster
AU  - Morton,A.H.
ED  - English Language Book Society
TI  - Higher electrical engineering
SN  - 0273318217
PY  - 1972///
CY  - London
PB  - English Language Book Society & Pitman
KW  - Electric engineering
ER  -