TY  - BOOK
AU  -  A.J. Watkins ,  C. Kitcher
TI  - Electrical Installation Calculations: Advanced For Technical Certificate And NVQ Level 3
SN  - 9781856176644
U1  - 621.31924/WAT 
PY  - 2009///
PB  -  Elsevier,  Newnes
ER  -