Investigation of plasma instabilities in the polar cusp [microform] : semi-annual progress report for the period 1 March 1993 through 31 August 1993 / principal investigator: H.K. Wong
原資料の出版事項: San Antonio, TX ; [Washington, DC ; Springfield, Va. : SRI : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1993]