Searching for chemical inhomogeneities in open clusters - Analysis of the CN and CH molecular band strengths in NGC 2158, NGC 2420, NGC 2682, NGC 7789, and Berkeley 29R. Carrera and C. E. Martínez-VázquezA&A, 560 (2013) A5DOI: https://doi.org/10.1051/0004-6361/201322048
