A.J. Watkins ,  C. Kitcher <br/><br/>
Electrical Installation Calculations:Basic 

 - 8th ed 
 -   Newnes  ©2009 
<br/><br/><label>ISBN: </label>9781856176651  104.8 
<br/><br/><label>Dewey Class. No.: </label>621.3194/WAT