CNO abundances and carbon isotope ratios in evolved stars of the open clusters NGC 2324, NGC 2477, and NGC 3960Gražina Tautvaišienė, Arnas Drazdauskas, Angela Bragaglia, Sofia Randich and Renata ŽenovienėA&A, 595 (2016) A16DOI: https://doi.org/10.1051/0004-6361/201629273