Membership of 23 stars towards the bulge globular clusters NGC 6528 and NGC 6553 P. Coelho, B. Barbuy, M.-N. Perrin, T. Idiart, R. P. Schiavon, S. Ortolani and E. Bica A&A, 376 1 (2001) 136-143 Published online: 15 September 2001 DOI: 10.1051/0004-6361:20010976