Nautical almanac office sesquicentennial symposium  proceedings of conference held at U.S Naval Observatory, Washington, D.C., U.S.A., March 3-4, 1999 
edited by A. D. Fiala and S. J. Dick 
 - Washington, D. C.  U. S. Naval Observatory  1999 
 - xi, 424p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>almanac
<br/><br/><label>Universal Decimal Class. No.: </label>(059)52  / FIA