1. Allen, R.G., Pereira, L.S., Raes, D., Smith, M., 1998. Crop evapotranspiration – Guidelines for computing crop water requirements. FAO Irrigation and Drainage Paper 56, Rome, Italy.
2. Mountain Weather and Climate;Barry,1992
3. Regional behavior of minimum temperatures in Switzerland for the period 1979–1993;Beniston;Theoretical and Applied Climatology,1996
4. Bergeron, T., 1960. Prelimary results of project pluvius. In: Commission of Land Erosion General Assembly, (IASH), pp. 226–237.
5. Measured and predicted air temperatures at basin to regional scales in the southern Appalachian mountains;Bolstad;Agricultural and Forest Meteorology,1998