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Citations
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Walker, M. F. (1970). The California Site Survey. Publications of the Astronomical Society of the Pacific, 82, 672–698.
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Jafarey, N. A., Khan, M. Y., & Jafarey, S. N. (1970). Role Of Artificial Lighting In Decreasing The Age Of Menarche. The Lancet, 296(7670), 471.
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Columella, L. J. M. (70). Of husbandry.Book 9.
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