PRACHT, Friedhelm. Waterproof Luminaire made of synthetic material with high performance reflectors and ignition system for tri‐phosporus lamps used at very low temperatures. Technological and Economic Development of Economy, [S. l.], v. 11, n. 2, p. 108–114, 2005. DOI: 10.3846/13928619.2005.9637689. Disponível em: https://journals.vilniustech.lt/index.php/TEDE/article/view/8506. Acesso em: 12 may. 2025.