A lack of close binaries among hot horizontal branch stars in globular clusters - M 80 and NGC 5986C. Moni Bidin, S. Moehler, G. Piotto, Y. Momany and A. Recio-BlancoA&A, 498 3 (2009) 737-751DOI: https://doi.org/10.1051/0004-6361/200810579
