1. S. Shionoya and W.M. Yen, Editors, “Phosphor Handbook”, CRC Press (1998).
2. A.C. Tribble, The Space Environment: Implications for Spacecraft Design, Princeton University Press (1995).
3. N.A. Schwadron, L. Townsend, K. Kozarev, M.A. Dayeh, F. Cucinotta, M. Desai, et al., Earth-Moon-Mars Radiation Environment Module framework, Sp. Weather. 8, S00E02 (2010).
4. Space Radiation Cancer Risks and Uncertainties for Mars Missions
5. The Heliospheric Magnetic Field over the Hale Cycle