TY  - BOOK
ED  - European Space Agency
TI  - Hipparcos and Tycho catalogues: vol. 6, Hipparcos catalogue 4h - 8h: 18601-44180
T2  - ESA SP-1200
SN  - 92-9092-339-7
PY  - 1997///
CY  - Netherlands
PB  - European Space Agency
KW  - Hipparcos and Tycho catalogues, Catalog-Hipparcos and Tycho, Star catalog
ER  -