The isotopic 6Li/7Li ratio in Centaurus X-4 and the origin of Li in X-ray binariesJ. Casares, P. Bonifacio, J. I. González Hernández, P. Molaro and M. ZoccaliA&A, 470 3 (2007) 1033-1041DOI: https://doi.org/10.1051/0004-6361:20066875