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Author (up) Title Year Publication Volume Pages
Bertiau, F.C.; de Graeve, E.; Treanor, P.J. The Artificial Night-sky Illumination in Italy. 1973 Vatican Observatory publications 1 157-179
Croft, T.A. Burning Waste Gas in Oil Fields 1973 Nature 245 375-376
Hoag, A.A. City Sky Glow Monitoring at Kitt Peak. 1973 Publications of the Astronomical Society of the Pacific 85 503-507
Riegel, K.W. Light Pollution: Outdoor lighting is a growing threat to astronomy 1973 Science (New York, N.Y.) 179 1285-1291
Roach, F.E.; Gordon, J.L. The Light of the Night Sky 1973