TY - GEN A1 - Czerwińska, Agnieszka E. A1 - Krzyścin, Janusz PB - Institute of Geophysics Polish Academy of Sciences L2 - http://www.jbc.bj.uj.edu.pl/Content/846294 KW - promieniowanie UV KW - witamina D3 T1 - Analysis of measurements and modelling of the biologically active UV solar radiation for selected sites in Poland - assessment of photo-medical effects : monographic volume UR - http://www.jbc.bj.uj.edu.pl/dlibra/publication/edition/846294 ER -