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\bibitem{Wampfler_etal2010} Wampfler, S. F., Herczeg, G. J., Bruderer, S., Benz, A. O., van Dishoeck, E. F., Kristensen, L. E., et al. (2010). Herschel observations of the hydroxyl radical (OH) in young stellar objects. \textit{Astron. Astrophys.}, \textit{521}, L36.

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