Scientific studies in association with the shuttle solar backscatter ultraviolet (SSBUV) project [microform] : semiannual report for grant NAG5-873, period covered, January 1 - June 30, 1993 / principal investigator, John E. Frederick ([NASA contractor report] ; NASA CR-193404)
Scientific studies in association with the shuttle solar backscatter ultraviolet (SSBUV) project [microform] : semiannual report for grant NAG5-873, period covered, January 1 - June 30, 1993 / principal investigator, John E. Frederick
原資料の出版事項: [Washington, DC ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1993]