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- [3] Determination of proper motions and membership of the open clusters NGC 1817 and NGC 1807 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1998, 133 (03): : 387 - 394
- [5] A RIGOROUS METHOD FOR DETERMINATION OF MEMBERSHIP OF OPEN CLUSTERS WITH PROPER MOTIONS OF DIFFERENT ACCURACIES SCIENTIA SINICA SERIES A-MATHEMATICAL PHYSICAL ASTRONOMICAL & TECHNICAL SCIENCES, 1988, 31 (11): : 1364 - 1372
- [6] Determination of proper motions and membership of the open clusters NGC 1750 and NGC 1758 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1998, 131 (01): : 89 - 98
- [7] Dependence of the solar apex upon proper motion and cause of the different positions of the apex yielded by radial velocities and proper motions ASTROPHYSICAL JOURNAL, 1917, 45 (02): : 103 - 111
- [8] Absolute proper motions of 181 young open clusters ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS, 1997, 23 (01): : 71 - 78