Astronomical and astrophysical objectives of sub-milliarcsecond optical astrometry.
Dordrecht : Kluwer, 1994.
441 págs.
Serie: IAU Symposium ; no. 166
ISBN: 0792334426
Proceedings of the 166th symposium of the International Astronomical Union, held in The Hague, The Netherlands, August 15-19, 1994.