1. Global observed changes in daily climate extremes of temperature and precipitation;Alexander;Journal of Geophysical Research,2006
2. A case study on utilization of precipitation indices in Bulgaria;Аlexandrov,2006
3. Regional analysis of extreme temperature and precipitation indices for the Carpathian Basin from 1946 to 2001;Bartholy;Global and Planetary Change,2007
4. Climatic changes in western North America, 1950–2005;Booth;International Journal of Climatology,2011
5. Variabilitatea si schimbarea climei in Romania;Busuioc,2010