JehuV. J.1954Light and Lighting, vol. XLVII, pp. 287–91. 1953 Trans. Illuminating Engineering Society, vol. XVIII, pp. 249–59, ‘A Survey of Vehicle Head Lights’.
2.
1954, April and May Automobile Engineer, vol. 44, pp. 159–64 and 213–15, ‘Head-light Setting’.
3.
Optical Society1922Trans., vol. 24, p. 256, Papers on ‘Motor Head Lights’.