Luminous AGB stars in nearby galaxies - A study using virtual observatory toolsP. Tsalmantza, E. Kontizas, L. Cambrésy, F. Genova, A. Dapergolas and M. KontizasA&A, 447 1 (2006) 89-95DOI: https://doi.org/10.1051/0004-6361:20053142