Energy saving lighting systems
Sorcar, Prafulla C.
Energy saving lighting systems - - New York Van Nostrand Reinhold, 1982 - xiii,346 p. 22 cm - .
0-442-26430-520
Electric lighting
Electric lightting-Energy conservation
621.32:628.9 Sor
Energy saving lighting systems - - New York Van Nostrand Reinhold, 1982 - xiii,346 p. 22 cm - .
0-442-26430-520
Electric lighting
Electric lightting-Energy conservation
621.32:628.9 Sor