00585nam a2200157Ia 4500003000900000008004100009020001800050040001600068080002100084110002600105245014200131260004500273300001500318490001600333650007800349IN-BaIIA211028s9999    xx            000 0 eng d  a92-9092-399-7  cIIA Library  a083.8:524bESA-4  aEuropean Space Agency 0aHipparcos and Tycho Cataloguesbvol. 4, construction of the Tycho cataloguecEuropean Space Agency                                         aNetherlandsbEuropean Space Agencyc1997  aXii, 299p.  aESA SP-1200  aHipparcos and Tycho catalogues, Catalog-Hipparcos and Tycho, Star catalog