00386nam a2200097Ia 450000500170000000800410001708200210005824500690007926000730014865000670022120250107154737.0241216s9999||||xx |||||||||||||| ||und||  a528.841 NAUbG78 0aThe nautical almanac and astronomical ephemeris for the year ...  aLondon bPublished by order of the Commissioners of Longitude,c1957  aNautical almanacs.;Ephemerides;Ephemerides.;Nautical almanacs.