Pritchard, D. C. <br/><br/>
Lighting / 
D. C. Pritchard. 
 - 5th ed. 
 - Harlow, Essex :  Longman,  1995. 
 - 217 p. 
<br/><br/><label>ISBN: </label>0582234220 
<br/><br/><label>Dewey Class. No.: </label>621.32  / D489