1. The empirical relationship between global radiation and global ultraviolet (0.290-0.385) µm solar radiation components;Al-Aruri;Solar Energy,1990
2. A comparison of ultraviolet radiation measured at an Arctic and an Alpine Site;Ambach;Solar Energy,1991
3. Błażejczyk K, Baranowski J. 2003. Solar and UV radiation in the Warsaw Downtown. Proceedings of Fifth International Conference on Urban Climate, 1-5 September 2003, £ód1/4, Poland, 1: 263-266.
4. Effects of cloudiness on global and diffuse UV irradiance in high-mountain area;Blumthaler;Theoretical and Applied Climatology,1994
5. Bogdańska B, Podogrocki J. 2000. Zmienność całkowitego promieniowania słonecznego na obszarze Polski w okresie 1961-1995. Materiały Badawcze, Meteorologia-30, IMGW, Warszawa: 43. (in polish).