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- [6] Critical tests of stellar evolution in open clusters .1. New photometry and radial velocities for NGC 3680 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1996, 118 (03): : 407 - 420
- [8] RED GIANTS IN OPEN CLUSTERS .2. ORBITS OF 10 SPECTROSCOPIC BINARIES IN NGC-2360, 2437, 2447, 5822, 5823, AND 6475 ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1989, 79 (01): : 11 - 18