Line shift, line asymmetry, and the Li/Li isotopic ratio determinationR. Cayrel, M. Steffen, H. Chand, P. Bonifacio, M. Spite, F. Spite, P. Petitjean, H.-G. Ludwig and E. CaffauA&A, 473 3 (2007) L37-L40DOI: https://doi.org/10.1051/0004-6361:20078342