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H. J. Schaefer, E. V. Benton, R. P. Henke, J. J. Sullivan, Nuclear Track Recordings of the Astronauts' Radiation Exposure on the First Lunar Landing Mission Apollo XI, Radiation Research, Vol. 49, No. 2 (Feb., 1972), pp. 245-271
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Schaefer et al. (1972) studied this question.
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