Uppal,S. L. <br/><br/>
Electrical wiring, estimating and costing / 

 - Delhi :  Khanna Publisher,  c1963. 
 - xiv, 835 p. :  ill. ;  21 cm. 
<br/><br/><label>LC Class. No.: </label>4403 
<br/><br/><label>Dewey Class. No.: </label>621.3282  / UPP