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Comstock GM, Fleischer RL, Giard WR, et al. Cosmic-ray tracks in plastics: the apollo helmet dosimetry experiment. Science. 1971;172(3979):154-7doi: 10.1126/science.172.3979.154.
Comstock, G. M., Fleischer, R. L., Giard, W. R., Hart, H. R., Nichols, G. E., & Price, P. B. (1971). Cosmic-ray tracks in plastics: the apollo helmet dosimetry experiment. Science (New York, N.Y.), 172(3979), 154-7. https://doi.org/10.1126/science.172.3979.154
Comstock, G M, et al. "Cosmic-ray tracks in plastics: the apollo helmet dosimetry experiment." Science (New York, N.Y.) vol. 172,3979 (1971): 154-7. doi: https://doi.org/10.1126/science.172.3979.154
Comstock GM, Fleischer RL, Giard WR, Hart HR, Nichols GE, Price PB. Cosmic-ray tracks in plastics: the apollo helmet dosimetry experiment. Science. 1971 Apr 09;172(3979):154-7. doi: 10.1126/science.172.3979.154. PMID: 17735223.
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Science. 1971 Apr 09;172(3979):154-7. doi: 10.1126/science.172.3979.154.

Cosmic-ray tracks in plastics: the apollo helmet dosimetry experiment.

Science (New York, N.Y.)

G M Comstock, R L Fleischer, W R Giard, H R Hart, G E Nichols, P B Price

PMID: 17735223 DOI: 10.1126/science.172.3979.154

Abstract

Counts of tracks from heavy cosmic-ray nuclei in helmets from Apollo missions 8 and 12 show variations caused by solar modulation of the galactic cosmic-ray flux. Specific estimates of the biological damage to certain nonreplaceable cells by track-forming particles during these space missions indicate that the fraction of deactivated cells could range from a lower limit of 3 x 10(-7) to an upper limit of 1.4 x 10(-4).

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