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\bibitem{Lotze-Campen_etal2015} Lotze-Campen, H., von Witzke, H., Noleppa, S., \& Schwarz, G. (2015). Science for food, climate protection and welfare: An economic analysis of plant breeding research in Germany. \textit{Agric. Syst.}, \textit{136}, 79--84.

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