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Kelber, A., Balkenius, A., & Warrant, E. J. (2002). Scotopic colour vision in nocturnal hawkmoths. Nature, 419(6910), 922–925.
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Schnitt, S., Ruhtz, T., Fischer, J., Hölker, F., & Kyba, C. C. M. (2013). Temperature stability of the sky quality meter. Sensors (Basel), 13(9), 12166–12174.
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