Cosmic ray energy determination by the reduced-opening angle method [microform] : final report--D.O. 163 : NAS8-38609 / prepared by Arthur E. Smith ; principal investigator, John C. Gregory ([NASA contractor report] ; NASA/CR-1998-207759)
Cosmic ray energy determination by the reduced-opening angle method [microform] : final report--D.O. 163 : NAS8-38609 / prepared by Arthur E. Smith ; principal investigator, John C. Gregory
原資料の出版事項: [Washington, DC ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1998]