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- [5] uvby - β PHOTOELECTRIC PHOTOMETRY OF THE OPEN CLUSTERS NGC 1647 AND NGC 1778 XIII LATIN AMERICAN REGIONAL IAU MEETING, 2011, 40 : 276 - 276
- [7] A PHOTOELECTRIC-HBETA DISTANCE MODULUS OF OPEN CLUSTER NGC-6871 ASTRONOMICAL JOURNAL, 1969, 74 (10): : 1168 - &
- [10] STROMGREN PHOTOMETRY OF OPEN CLUSTERS .2. NGC3532 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1987, 71 (01): : 147 - 152