1. Comparison of Scotopic, Mesopic, and Photopic Spectral Sensitivity Curves
2. (2) Kokoschka, S.: “Untersuchungen zur mesopischen Strahrungsbewertung,” Die Farbe 21 (1972) 39-112.
3. Mesopic luminous-efficiency functions for various adapting levels
4. Standard Observer for Large-Field Photometry at any Level
5. (5) Kokoschka, S. and Bodmann, H. W.: “Ein konsisitentes System zur photometrischen Strahlungsbewertung im gesamten Adaptationsbereich,” in Proceedings of the CIE 18th Session (CIE, Paris, 1975) pp. 217-225.