Taylor, J. M.Grindlay, J. E.Edmonds, P. D.Cool, A. M.2019-09-252001Taylor, J. M., J. E. Grindlay, P. D. Edmonds, and A. M. Cool. 2001. “Helium White Dwarfs and BY Draconis Binaries in the Globular Cluster NGC 6397.” The Astrophysical Journal 553 (2): L169–72. https://doi.org/10.1086/320676.0004-637X1538-4357http://nrs.harvard.edu/urn-3:HUL.InstRepos:41399867en-USHelium White Dwarfs and BY Draconis Binaries in the Globular Cluster NGC 6397Journal Article2019-09-2510.1086/320676