1. Allan RP, Ringer MA, Slingo A (2003) Evaluation of moisture in the Hadley Centre Climate Model using simulations of HIRS water vapor channel radiances. Q J R Meteorol Soc 129:3371–3389. https://doi.org/10.1256/qj.02.217
2. Allan RP, Zveryaev II (2011) Variability in the summer season hydrological cycle over the Atlantic-Europe region 1979–2007. Inter J Climatol 31:337–348. https://doi.org/10.1002/joc.2070
3. Brázdil R, Budikowá M (1994) Climate variation in Central Europe—facts or inhomogenities? In: Heino R (ed) Climate variations in Central Europe, Proceedings of the European Workshop on Climate Variations, Finland, pp 9–29
4. Bryś T (2003) Variability of saturation deficit in Wroclaw in the 20th century and some of its conditions. In: Pyka JL, Dubicka M, Szczepankiewicz-Szmyrka A, Sobik M, Błaś M (eds) Man and climate in the 20th century. Studia Geograficzne, Uniwersytet Wrocławski, 75, pp 203–215
5. Dai A (2006) Recent climatology, variability, and trends in global surface humidity. J Clim 19:3589–3606