Carbon-enhanced metal-poor stars: a window on AGB nucleosynthesis and binary evolution - II. Statistical analysis of a sample of 67 CEMP-s starsC. Abate, O. R. Pols, R. G. Izzard and A. I. KarakasA&A, 581 (2015) A22DOI: https://doi.org/10.1051/0004-6361/201525876