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den Outer, P., Lolkema, D., Haaima, M., van der Hoff, R., Spoelstra, H., & Schmidt, W. (2011). Intercomparisons of nine sky brightness detectors. Sensors (Basel), 11(10), 9603–9612.
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Titulaer, M., Spoelstra, K., Lange, C. Y. M. J. G., & Visser, M. E. (2012). Activity patterns during food provisioning are affected by artificial light in free living great tits (Parus major). PLoS One, 7(5), e37377.
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Titulaer, M., Spoelstra, K., Lange, C. Y. M. J. G., & Visser, M. E. (2012). Activity patterns during food provisioning are affected by artificial light in free living great tits (Parus major). PLoS One, 7(5), e37377.
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Wanvik, P. O. (2009). Effects of road lighting: an analysis based on Dutch accident statistics 1987-2006. Accid Anal Prev, 41(1), 123–128.
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