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\bibitem{Morales_etal2013} Morales, I., Diaz, B. M., Hermoso De Mendoza, A., Nebreda, M., \& Fereres, A. (2013). The Development of an Economic Threshold for Nasonovia ribisnigri (Hemiptera: Aphididae) on Lettuce in Central Spain. \textit{J. Econ. Entomol.}, \textit{106}(2), 891--898.

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