Low-mass lithium-rich AGB stars in the Galactic bulge: evidence for cool bottom processing?S. Uttenthaler, T. Lebzelter, S. Palmerini, M. Busso, B. Aringer and M. T. LedererA&A, 471 2 (2007) L41-L45DOI: https://doi.org/10.1051/0004-6361:20077879