1. Alexander LV, Zhang X, Peterson TC, Caesar J, Gleason B, Klein Tank AMG, Haylock M, Collins D, Trewin B, Rahimzadeh F, Tagipour A, Rupa Kumar K, Revadekar J, Griffiths G, Vincent L, Stephenson DB, Burn J, Aguilar E, Brunet M, Taylor M, New M, Zhai P, Rusticucci M, Vazquez-Aguirre JL (2006) Global observed changes in daily climate extremes of temperature and precipitation. J Geophys Res Atmos 111:D05109
2. Alexandersson H (1986) A homogeneity test applied to precipitation data. Int J Climatol 6:661–675
3. Bryś K, Bryś T (2010) Reconstruction of the 217-year (1791-2007) Wrocław air temperature and precipitation series. Bull of Geogr (Phys Geogr Series) 3:121–171
4. Buishand TA (1981) The analysis of homogeneity of long-term rainfall records in the Netherlands. KNMI Scientific Report WR 81-7, De Bilt, The Netherlands.
5. Cebulak E, Limanówka D (2007) Days with extreme air temperatures in Poland. In: Piotrowicz K, Twardosz R (eds) Fluctuations of the climate in various spatial and time scales. IGiGP, Uniwersytet Jagielloński, Kraków, pp. 185–194 (in Polish)