Chen, Kao ,  1919- <br/><br/>
Energy management in illuminating systems / 
Kao Chen 
 - Boca Raton :  CRC Press,  c1999 
 - 158 p. :  ill. ;  25 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>084932628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric lighting--Energy consumption<br/>Electric power--Conservation