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Citations
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Krisciunas, K., Bogglio, H., Sanhueza, P., & Smith, M. G. (2010). Light Pollution At High Zenith Angles, As Measured at Cerro Tololo Inter-American Observatory1. Publ Astron Soc Pac, 122(889), 373–377.
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Luginbuhl, C. B., Duriscoe, D. M., Moore, C. W., Richman, A., Lockwood, G. W., & Davis, D. R. (2009). From the Ground Up II: Sky Glow and Near-Ground Artificial Light Propagation in Flagstaff, Arizona. Publ Astron Soc Pac, 121(876), 204–212.
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