NGC 637

Number of measures per data source

	Reference  292 :    4 measures
	Reference  311 :    2 measures
	Reference  340 :    9 measures

292: Liu T., Janes K.A., Bania T.M., Phelps R.L.; (1988) Astron. J. 95, 1122; Stellar and molecular radial velocities for six young open clusters; 1988AJ.....95.1122L
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