B. D. Yallop · 4 obras en el catálogoObrasCCompact data for navigation and astronomy for 1981 to 1985Compact data for navigation and astronomy for 1981 to 1985CCompact Data for Navigation and Astronomy, 1996-2000Compact Data for Navigation and Astronomy, 1996-2000Compact data for navigation and astronomy for the years, 1986-1990CCompact data for navigation and astronomy for the years 1991Compact data for navigation and astronomy for the years 1991-1995
CCompact data for navigation and astronomy for 1981 to 1985Compact data for navigation and astronomy for 1981 to 1985
CCompact Data for Navigation and Astronomy, 1996-2000Compact Data for Navigation and Astronomy, 1996-2000
CCompact data for navigation and astronomy for the years 1991Compact data for navigation and astronomy for the years 1991-1995
