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Citations
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Gartlein, C. W. (1939). Request for Auroral Observations. Journal of the Royal Astronomical Society of Canada, 33, 46–50.
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Preece, W. H. (1883). On the progress of electric lighting. Journal of the Society of Arts, 32, 347–354.
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Bennett, M. G. (1932). The visual range of lights at night, and its relation to the visual range of ordinary objects by day. QJ Roy. Met. Soc, 58, 259–271.
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Cleaver, O. P. (1943). Control of Coastal Lighting in Anti-Submarine Warfare.
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Hough, W. (1901). The development of illumination. American Anthropologist, 3(2), 342–352.
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