TY  - BOOK
AU  - INTERNATIONAL ASTRONOMICAL UNION SYMPOSIUM (166th
TI  - "Astronomical and astrophysical objectives of sub-milliarcsecond optical astrometry. Proceedings of the 166th IAU symposium, The Hague, The Netherlands, Aug 15-19, 1994"
SN  - 0-7923-3442-6
CY  - Dordrecht
ER  -