37.
A.E.I. Mazda - Sodium lamps
38.
Contemporary lighting / Philips International Lighting Contest
39.
Recommandations pour l'éclairage des courts et halles de tenis / Commission Suisse de l'Eclairage
40.
Prescriptions pour les douilles de lampes / Comité Electrotechnique Suisse
41.
IES, Lighting Handbook : the standard lighting guide / Illuminating Engineering Society
42.
Lightning protection of secondary circuits / H.M. Towne
Autor:
Towne, H. M.
43.
Recommended practice for residence lighting / Illuminating Engineering Society
44.
At the turn of the century / General Electric
45.
Electrical installation material / General Electric
46.
Eclairage fluorescent : apperçu des bases scientifiques et techniques, applications des lampes fluorescentes et de leurs accessoires / C. Zwikker e outros; trad. E. J. Clement
Autor:
Zwikker, C.
47.
Electrical developments of 1950 / General Electric
48.
Lighting design / Parry Moon , Domina Eberle Spencer
Autor:
Moon, Parry
Spencer, Domina Eberle
