1. Untersuchungenüber das Wesen des Grenzkontrastes;Aulhorn;Deutsch. Opthalmologische Gesellschaft,1966
2. The instantaneous threshold and early dark adaptation;Baker;J. opt. Soc. Am.,1953
3. Initial stages of light and dark adaptation;Baker;J. opt. Soc. Am.,1963
4. The staircase method in psychophysics;Cornsweet;Am. J. Psychol.,1962
5. Measurements of differential threshold in the presence of a spatial illumination gradient;Fiorentini;Atti Fond. Ronchi,1955