Pritchard, D.C. <br/><br/>
Lighting / 

 - 5th ed. 
 - Singapore :  Longman scientific & technical,  1995 
 - 217  p. 
<br/><br/><label>ISBN: </label>582234220 
<br/><br/><label>Dewey Class. No.: </label>CIR 621.32 P93 1995