The lack of close binaries among hot horizontal branch stars in NGC 6752C. Moni Bidin, S. Moehler, G. Piotto, A. Recio-Blanco, Y. Momany and R. A. MéndezA&A, 451 2 (2006) 499-513DOI: https://doi.org/10.1051/0004-6361:20053940
