TY  - BOOK
AU  - Harman, Nigel
TI  - Electrical installations  level 2 : 2330 technical certificate 
SN  - 978 0 435 44936 0
U1  - 621 319 HAR 
PY  - 2007///
CY  - Oxford 
PB  -  Heinemann
KW  - ELECTRICAL INSTALLATIONS
ER  -