Explanatory supplement to the astronomical almanac
Edited by P. Kenneth Seidelmann.
Mill Valley, Calif : University Science Books, ©1992.
xxviii, 752 págs.
ISBN: 0935702687
Preparado por the Nautical Almanac Office, U.S. Naval Observatory ; con contribuciones de H.M. Nautical Alamanac Office, Royal Greenwich Observatory ... [et al.].