On the distance of the globular cluster m4 (NGC 6121) using RR Lyrae stars. I. Optical and near-infrared period-luminosity and period-Wesenheit relations
V. F. Braga, M. Dall'Ora, G. Bono, P. B. Stetson, I. Ferraro, G. Iannicola, M. Marengo, J. Neeley, S. E. Persson, R. Buonanno, G. Coppola, W. Freedman, B. F. Madore, M. Marconi, N. Matsunaga, A. Monson, J. Rich, V. Scowcroft, M. Seibert
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