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Daan, S., & Merrow, M. (2002). External Time-Internal Time. Journal of Biological Rhythms, 17(2), 107–109.
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Davis, R. L. (1991). Light Exposure and Breast Cancer. Epidemiology, 2(6), 458.
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Dunlap, J. C. (1999). Molecular Bases for Circadian Clocks. Cell, 96(2), 271–290.
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Earth Observation Group, and N. O. and A. A.(N. O. A. A.). (2013). VIIRS Nighttime Lights – 2012, edited, National Geophysical Data Center.
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Elvidge, C. D., Baugh, K. E., Kihn, E. A., Kroehl, H. W., Davis, E. R., & Davis, C. W. (1997). Relation between satellite observed visible-near infrared emissions, population, economic activity and electric power consumption. International Journal of Remote Sensing, 18(6), 1373–1379.
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