
25.		General Eletric.The Magic That is Light Data: [s.d]
26.		General Electric. Powr/Door luminaires Data: [s.d.]
27.		Edison had a bright idea Data: [s.d.]
28.		Lucalox lamps in area and floodlighting Data: [s.d.]
29.		Lucalox lamps high-pressure sodium vapor lamps Data: [s.d.]
30.		Area ligthting: Designer´s Buyer`s Guide Data: [s.d.]
31.		Everytime the sun goes dowwn Data: [s.d.]
32.		Ligth Data: [s.d.]
33.		General Electric. Today`s approach to lighting G-E properties Data: [s.d.]
34.		Siteco. Siemens and Siteco interior luminaires 1998/99
35.		Philips Licht. Lichtfarben und Anwendung Leuchtstofflampen TL/PL Data: [s.d.]
36.		Philips. The lighting of training fields Data: [s.d.]