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- [21] Lithium in the old open cluster NGC 2243 LIGHT ELEMENTS AND THEIR EVOLUTION, 2000, (198): : 293 - 298
- [26] The metallicity of the old open cluster NGC 6791 ASTROPHYSICAL JOURNAL, 2006, 642 (01): : 462 - 469
- [27] Collinder 110: An old open cluster in Monoceros ASTRONOMICAL JOURNAL, 1998, 115 (03): : 1076 - 1082