1. Implications of the space radiation environment for human exploration in deep space
2. R. H. Levy, Research Report 106, Contract No. AF 04(647)-278 (1961).
3. S. A. Thibeault, C. C. Fay, S. E. Lowther, K. D. Earle, G. Sauti, H. J. Kang, and C. Park, “Radiation Shielding Materials Containing Hydrogen, Boron, and Nitrogen: Systematic Computational and Experimental Study - Phase I,” NIAC Final Report (2012).
4. F. H. Cocks, J. Br. Interplanet. Soc. 44, 99–102 (1991).
5. Störmer theory applied to magnetic spacecraft shielding