Thumann, Albert. <br/><br/>
Lighting efficiency applications / 
Albert Thumann. 
 - Englewood Cliffs, NJ :  The fairmont,  c1992. 
 - viii, 354 p. :  il. ;  24 cm. 
<br/><br/><label>ISBN: </label>0881731374 :  B/.5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ALUMBRADO ELÉCTRICO.
<br/><br/><label>Dewey Class. No.: </label>621.3211  / T423