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Reed, B. Cameron (2015-11-01). "Note on the minimum critical mass for a tamped fission bomb core". American Journal of Physics. 83 (11): 969–971. doi:10.1119/1.4931721. ISSN0002-9505.
Glaser, Alexander (2006). "On the Proliferation Potential of Uranium Fuel for Research Reactors at Various Enrichment Levels". Science and Global Security. 14 (1): 1–24. Bibcode:2006S&GS...14....1G. doi:10.1080/08929880600620542.
iaea.org
inis.iaea.org
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Reed, B. Cameron (2015-11-01). "Note on the minimum critical mass for a tamped fission bomb core". American Journal of Physics. 83 (11): 969–971. doi:10.1119/1.4931721. ISSN0002-9505.