Fischer, E. M., Seneviratne, S. I., Vidale, P. L., Luthi, D., and Schar, C.: Soil moisture – Atmosphere interactions during the 2003 European summer heat wave, J. Climate, 20, 5081–5099, 2007.

Garcia-Herrera, R., Diaz, J., Trigo, R. M., Luterbacher, J., and Fischer, E. M.: A Review of the European Summer Heat Wave of 2003, Crit. Rev. Env. Sci. Tec., 40, 267–306, 2010.

Moberg, A. and Jones, P. D.: Trends in indices for extremes of daily temperature and precipitation in central and western Europe 1901–1999, Int. J. Climatol., 25, 1173–1188, 2005.

Piotrowski, P.: The circulation conditioning of the spring droughts in Poland, in: Klimat Polski na tle klimatu Europy. Warunki termiczne i opadowe, edited by: Bednorz, E., Bogucki wyd. Nauk. Poznañ, 147–158, 2010 (in Polish).

Schär, C., Vidale, P., Luthi, D., Frei, C., Haberli, C., Liniger, M., and Appenzeller, C.: The role of increasing temperature variability in European summer heatwaves, Nature, 427, 332–336, 2004.

Trenberth, K. E., Jones, P. D., Ambenje, P., Bojariu, R., Easterling, D., Klein Tank, A., Parker, D., Rahimzadeh, F., Renwick, J. A., Rusticucci, M., Soden, B., and Zhai, P.: Observations: Surface and Atmospheric Climate Change, in: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, edited by: Solomon, S., Qin, D., Manning, M., Chen, Z., Marquis, M., Averyt, K. B., Tignor, M., and Miller, H. L., Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 2007.

Vautard, R., Yiou, P., D'Andrea, F., de Noblet, N., Viovy, N., Cassou, C., Polcher, J., Ciais, P., Kageyama, M., and Fan, Y.: Summertime European heat and drought waves induced by wintertime Mediterranean rainfall deficit, Geophys. Res. Lett., 34, L07711, https://doi.org/10.1029/2006GL028001, 2007,

Wibig, J., Podstawczyñska, A., Rzepa, M., and Piotrowski, P.: Heatwaves in Poland – frequency, trends and relationship with atmospheric circulation, Geographia Polonica, 82, 33–46, 2009.

Xoplaki, E., González-Rouco, J. F., Gyalistras, D., Luterbacher, J., Rickli, R., and Wanner, H.: Interannual summer air temperature variability over Greece and its connection to the large-scale atmospheric circulation and Mediterranean SSTs 1950–1999, Clim. Dynam., 20, 537–554, 2003.