A final technical report to the National Aeronautics and Space Administration, Pioneer Venus Guest Investigation Progran entitled Venus lower thermosphere studies, grant #NAG2-679 for the period, October 1, 1990 - December 31, 1992 [microform] / principal investigator, Stephen W. Bougher
原資料の出版事項: [Washington, DC ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1992]