Normal A0−A1 stars with low rotational velocities - I. Abundance determination and classificationF. Royer, M. Gebran, R. Monier, S. Adelman, B. Smalley, O. Pintado, A. Reiners, G. Hill and A. GulliverA&A, 562 (2014) A84DOI: https://doi.org/10.1051/0004-6361/201322762