Jackson, Edward S.1930 · 2 obras en el catálogoObrasDDetermination of the equinox and equator from the meridian oDetermination of the equinox and equator from the meridian observation of the minor planetsAA discussion of the observations of Neptune, 1846-1970A discussion of the observations of Neptune, 1846-1970
DDetermination of the equinox and equator from the meridian oDetermination of the equinox and equator from the meridian observation of the minor planets
AA discussion of the observations of Neptune, 1846-1970A discussion of the observations of Neptune, 1846-1970