On the consistent treatment of the quasi-hydrostatic layers in hot star atmospheres A. Sander, T. Shenar, R. Hainich, A. Gímenez-García, H. Todt and W.-R. Hamann A&A, 577 (2015) A13 Published online: 23 April 2015 DOI: 10.1051/0004-6361/201425356