Eisenhauer, F. et al.. (2003). «A Geometric Determination of the Distance to the Galactic Center» The Astrophysical Journal 597 (2): L121–L124. doi:10.1086/380188. Bibcode: 2003ApJ...597L.121E..
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Eisenhauer, F. et al.. (2003). «A Geometric Determination of the Distance to the Galactic Center» The Astrophysical Journal 597 (2): L121–L124. doi:10.1086/380188. Bibcode: 2003ApJ...597L.121E..