Lua APA (7ú heag.)

International Astronomical Union. Symposium, Hog, E., & Seidelmann, P. K. (1995). Astronomical and astrophysical objectives of sub-millarcsecond optical astrometry: Proceedings of the 166th Symposium of the International Astronomical Union held in the Hague, Netherlands, August 15-19, 1994. Kluwer Academic.

Lua i Stíl Chicago (17ú heag.)

International Astronomical Union. Symposium, E. Hog, agus P. Kenneth Seidelmann. Astronomical and Astrophysical Objectives of Sub-millarcsecond Optical Astrometry: Proceedings of the 166th Symposium of the International Astronomical Union Held in the Hague, Netherlands, August 15-19, 1994. Dordrecht ; Boston: Kluwer Academic, 1995.

Lua MLA (9ú heag.)

International Astronomical Union. Symposium, et al. Astronomical and Astrophysical Objectives of Sub-millarcsecond Optical Astrometry: Proceedings of the 166th Symposium of the International Astronomical Union Held in the Hague, Netherlands, August 15-19, 1994. Kluwer Academic, 1995.

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