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\bibitem{Persson_etal2014} Persson, T., H{\"o}glind, M., Gustavsson, A. - M., Halling, M., Jauhiainen, L., Niemel{\"a}inen, O., et al. (2014). Evaluation of the LINGRA timothy model under Nordic conditions. \textit{Field Crops Research}, \textit{161}, 87--97.

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