Abundances of carbon-enhanced metal-poor stars as constraints on their formationC. J. Hansen, B. Nordström, T. T. Hansen, C. R. Kennedy, V. M. Placco, T. C. Beers, J. Andersen, G. Cescutti and C. ChiappiniA&A, 588 (2016) A37DOI: https://doi.org/10.1051/0004-6361/201526895