Minimizing space radiation exposure during extra-vehicular activity von Johnson, A.S., Golightly, M.J., Weyland, M.D., Lin, T., Zapp, E.N.

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A comparison of measurements and predictions for the April 15 and April 18, 2001 solar proton events von Johnson, A.S., Golightly, M.J., Lin, T., Semones, E.J., Shelfer, T., Weyland, M.D., Zapp, E.N.

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