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- [5] uvby-β photometry of high-velocity and metal-poor stars -: X.: Stars of very low metal abundance:: Observations, reddenings, metallicities, classifications, distances, and relative ages ASTRONOMY & ASTROPHYSICS, 2004, 422 (02): : 527 - 543
- [7] uvby-beta photometry of high-velocity and metal-poor stars .8. Stars of very low metal abundance ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1996, 117 (02): : 317 - 334
- [8] uvby-beta photometry of high-velocity and metal-poor stars .9. Effects of orbital chaos in the Galactic halo ASTRONOMY & ASTROPHYSICS, 1997, 319 (03): : 796 - 810
- [10] Radioactive ages of metal-poor halo stars CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS, 2004, 4 (01): : 75 - 87