NGC 957
Number of measures per data source
Reference 311 : 11 measures
Reference 340 : 6 measures
References
- 311
- Liu T., Janes K.A., Bania T.M.
- (1989) Astron. J. 98, 626
- Radial-velocity measurements in 20 young open clusters
- 1989AJ.....98..626L
- 340
- Liu T., Janes K.A., Bania T.M.
- (1991) Astron. J. 102, 1103
- More radial-velocity measurements in young open clusters
- 1991AJ....102.1103L