Underwood, C.; Brock, D.; Williams, P.; Kim, S.; Dilão, R.; Ribeiro Santos, P.; Brito, M.; Dyer, C.; Sims, A. (December 1994). "Radiation Environment Measurements with the Cosmic Ray Experiments On-Board the KITSAT-1 and PoSAT-1 Micro-Satellites". IEEE Transactions on Nuclear Science. 41 (6): 2353–2360. Bibcode:1994ITNS...41.2353U. doi:10.1109/23.340587.
D. N. Baker; A. N. Jaynes; V. C. Hoxie; R. M. Thorne; J. C. Foster; X. Li; J. F. Fennell; J. R. Wygant; S. G. Kanekal; P. J. Erickson; W. Kurth; W. Li; Q. Ma; Q. Schiller; L. Blum; D. M. Malaspina; A. Gerrard & L. J. Lanzerotti (27 November 2014). "An impenetrable barrier to ultrarelativistic electrons in the Van Allen radiation belts". Nature. 515 (7528): 531–534. Bibcode:2014Natur.515..531B. doi:10.1038/nature13956. PMID25428500. S2CID205241480.
Modisette, Jerry L.; Lopez, Manuel D.; Snyder, Joseph W. (January 20–22, 1969). Radiation Plan for the Apollo Lunar Mission. AIAA 7th Aerospace Sciences Meeting. New York. doi:10.2514/6.1969-19. AIAA Paper No. 69-19.
Underwood, C.; Brock, D.; Williams, P.; Kim, S.; Dilão, R.; Ribeiro Santos, P.; Brito, M.; Dyer, C.; Sims, A. (December 1994). "Radiation Environment Measurements with the Cosmic Ray Experiments On-Board the KITSAT-1 and PoSAT-1 Micro-Satellites". IEEE Transactions on Nuclear Science. 41 (6): 2353–2360. Bibcode:1994ITNS...41.2353U. doi:10.1109/23.340587.
D. N. Baker; A. N. Jaynes; V. C. Hoxie; R. M. Thorne; J. C. Foster; X. Li; J. F. Fennell; J. R. Wygant; S. G. Kanekal; P. J. Erickson; W. Kurth; W. Li; Q. Ma; Q. Schiller; L. Blum; D. M. Malaspina; A. Gerrard & L. J. Lanzerotti (27 November 2014). "An impenetrable barrier to ultrarelativistic electrons in the Van Allen radiation belts". Nature. 515 (7528): 531–534. Bibcode:2014Natur.515..531B. doi:10.1038/nature13956. PMID25428500. S2CID205241480.
D. N. Baker; A. N. Jaynes; V. C. Hoxie; R. M. Thorne; J. C. Foster; X. Li; J. F. Fennell; J. R. Wygant; S. G. Kanekal; P. J. Erickson; W. Kurth; W. Li; Q. Ma; Q. Schiller; L. Blum; D. M. Malaspina; A. Gerrard & L. J. Lanzerotti (27 November 2014). "An impenetrable barrier to ultrarelativistic electrons in the Van Allen radiation belts". Nature. 515 (7528): 531–534. Bibcode:2014Natur.515..531B. doi:10.1038/nature13956. PMID25428500. S2CID205241480.
D. N. Baker; A. N. Jaynes; V. C. Hoxie; R. M. Thorne; J. C. Foster; X. Li; J. F. Fennell; J. R. Wygant; S. G. Kanekal; P. J. Erickson; W. Kurth; W. Li; Q. Ma; Q. Schiller; L. Blum; D. M. Malaspina; A. Gerrard & L. J. Lanzerotti (27 November 2014). "An impenetrable barrier to ultrarelativistic electrons in the Van Allen radiation belts". Nature. 515 (7528): 531–534. Bibcode:2014Natur.515..531B. doi:10.1038/nature13956. PMID25428500. S2CID205241480.