Strömgren and near-infrared photometry of metal-rich bulge globular clusters - I. NGC 6528 and its surrounding field
A. Calamida, G. Bono, E. P. Lagioia, A. P. Milone, M. Fabrizio, I. Saviane, C. Moni Bidin, F. Mauro, R. Buonanno, I. Ferraro, G. Iannicola and M. Zoccali
