TY  - BOOK
AU  - Shepherd,John
AU  - Morton,A.H.
AU  - Spence,L.F.
TI  - Higher electrical engineering: a textbook for students in higher national certificate courses 
SN  - 6273410572
PY  - 1958///
CY  - London
PB  - Pitman Pub.
KW  - Electric engineering
ER  -