Planetary flight handbook / Office of Scientific and Technical Information, National Aeronautics and Space Administration ; Pt. 6: Mars stopover missions using venus swingbys : general discussion, contour charts and related graphical information
1968
XVI, 98 S
graph. Darst
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Book
English