1. improved lunar ephemeris, 1952-59, Joint supplement to American ephemeris and (British) nautical almanac; prepared jointly by Nautical Almanac Offices of United States and United Kingdom, issued by Nautical Almanac Office. Bookmark Corporate/Agency Authors: Naval Observatory and Defense Dept. Publisher: Naval Observatory Date: 1954 [published 1955] SuDoc number: D 213.8/8:952-59