1. Sonnenbrand und sonnenbraunung;Hausser;Wissenschaft Veroffnungen des Siemens Konzern,1922
2. Time factors of erythema and pigmentation, produced by ultraviolet rays of different wavelengths;Bachem;J Invest Dermatol,1955
3. The action spectrum of erythema induced by ultraviolet radiation. Preliminary report;Berger,1968
4. The physiologic response of human skin to ultraviolet light;Everett,1969
5. Measurement of erythemal and pigmentary responses to ultraviolet radiation of different spectral qualities;Breit,1969