TY  - BOOK
AU  - Lockwood
AU  - F B Lockwood; Roy Dunstan
TI  - Electrical engineering principles
SN  - 0435718568 
AV  - TK146 .L63
PY  - 1971///
CY  - London. 
PB  - Heinemann.
KW  - Electrical engineering
KW  - book
KW  - english
N1  -  illustrations ; 22 cm
ER  -