Reversal-free Ca II H profiles: a challenge for solar chromosphere modeling in quiet inter-networkR. Rezaei, J. H. M. J. Bruls, W. Schmidt, C. Beck, W. Kalkofen and R. SchlichenmaierA&A, 484 2 (2008) 503-509DOI: https://doi.org/10.1051/0004-6361:20079050
