A measurement of the energy spectra of cosmic rays from 20 to 1000 GeV per amu [microform] : final report on NASA grant NAGW-2023 / J.C. Gregory ... [et al.] ([NASA contractor report] ; NASA/CR-207460)
A measurement of the energy spectra of cosmic rays from 20 to 1000 GeV per amu [microform] : final report on NASA grant NAGW-2023 / J.C. Gregory ... [et al.]
原資料の出版事項: [Washington, DC ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1997]