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Citations
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Gould, G. M. (1903). A hitherto undescribed visual phenomenon. Science, 18, 536–537.
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Commons, J. R. (1897). Municipal Electric Lighting. Mun. Aff., 1.
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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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