1. Allen, R.G., Pereira, L. S., Raes, D., and Smith, M.: Crop Evapotranspirati on: Guidelines for computing crop water requirements, FAO Irrigation and Drainage Paper No. 56, FAO, Rome, 1998.
2. Arduini, I., Masoni, A., Ercoli, L., and Mariotti, M.: Grain yield, and dry matter and nitrogen accumulation and remobilization in durum wheat as affected by variety and seeding rate, Eur. J. Agron., 25, 309–318, 2006.
3. Asseng, S., Foster, I., and Turner, N. C.: The impact of temperature variability on wheat yields, Global Change Biol., 17, 997–1012, 2011.
4. Barnabás, B., Jäger, K., and Fehér, A.: The effect of drought and heat stress on reproductive processes in cereals, Plant Cell Environ., 31, 11–38, 2008.
5. Black, E., Blackburn, M., Harrison, G., Hoskins, B., and Methven, J.: Factors contributing to the summer 2003 European heatwave, Weather, 59, 217–223, 2004.