Membership of 23 stars towards the bulge globular clusters NGC 6528 and NGC 6553P. Coelho, B. Barbuy, M.-N. Perrin, T. Idiart, R. P. Schiavon, S. Ortolani and E. BicaA&A, 376 1 (2001) 136-143DOI: https://doi.org/10.1051/0004-6361:20010976