On inelastic hydrogen atom collisions in stellar atmospheres P. S. Barklem, A. K. Belyaev, M. Guitou, N. Feautrier, F. X. Gadéa and A. Spielfiedel A&A, 530 (2011) A94 Published online: 18 May 2011 DOI: 10.1051/0004-6361/201116745