Stellar variability in low-extinction regions towards the Galactic BulgeT. P. Dominici, J. E. Horvath, G. A. Medina Tanco, R. Teixeira and P. Benevides-SoaresAstron. Astrophys. Suppl. Ser., 139 2 (1999) 321-334DOI: https://doi.org/10.1051/aas:1999398