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\bibitem{Grass_etal2015} Gra{\ss}, R., Thies, B., Kersebaum, K. - C., \& Wachendorf, M. (2015). Simulating dry matter yield of two cropping systems with the simulation model HERMES to evaluate impact of future climate change. \textit{European Journal of Agronomy}, \textit{70}, 1--10.

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