TY  - BOOK
AU  - Hughes, J. A., ed.
AU  - Kaplan, G. H., ed.
AU  - Smith, C. A., ed.
ED  - Colloquium of the International Astronomical Union
TI  - Reference systems: proceedings of the 127th Colloquium of the International Astronomical Union on Reference systems held in Virginia Beach, VA, USA 14-20 October 1990
T2  - IAU Colloquium; no.127
PY  - 1991///
CY  - Washington
PB  - U. S. Naval Observatory
KW  - Astrometry
KW  - Astronomy and Astrophysics Thesaurus
KW  - Celestial mechanics
KW  - Reference Systems
ER  -