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\bibitem{Frederiks_etal2015} Frederiks, T. M., Christopher, J. T., Sutherland, M. W., \& Borrell, A. K. (2015). Post-head-emergence frost in wheat and barley: defining the problem, assessing the damage, and identifying resistance. \textit{J. Experim. Bot.}, \textit{66}(12), 3487--3498.

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