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\bibitem{Pirttioja_etal2015} Pirttioja, N., Carter, T. R., Fronzek, S., Bindi, M., Hoffmann, H., Palosuo, T., et al. (2015). Temperature and precipitation effects on wheat yield across a European transect: a crop model ensemble analysis using impact response surfaces. \textit{Clim. Res.}, \textit{65}, 87--105.

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