1. Department of Meteorology and Climatology, School of Geology; Aristotle University of Thessaloniki; Thessaloniki Greece
2. Institute of Economics and Rural Development, Faculty of Agriculture; University of Szeged; Hódmezővásárhely Hungary
3. Zrínyi Miklós Secondary School; Budapest Hungary
4. Savaria University Centre; Eötvös Loránd University; Szombathely Hungary