TY  - BOOK
AU  - Watkins, A  J
TI  - Electrical installation calculations:   basic for technical certificate level 2
SN  - 9781856176651
AV  - TK 3285 .W38 2009 V.2 
PY  - 2009///
CY  - London
PB  -  Elsevier
KW  - Electric Circuits
ER  -