TY  - BOOK
AU  - Watkins, A.J. et al
AU  - Chris Kitcher
TI  - Electrical installation calculations:advanced: for technical certificate and NVQ level 3
SN  - 9781856176644
AV  - TA331.W3 2009 
PY  - 2009///
CY  - Amsterdam
PB  - Eselvier
ER  -