TY  - BOOK
AU  - Watkins,A.J.
AU  - Parton,Russell K.
TI  - Electrical installation calculation volume 1
SN  - 0340568666
U1  - TK/168 
PY  - 1992///
CY  - London
PB  - Edward Arnold
KW  - Electrical engineering -- Mathematics.
ER  -