Atmospheric dynamics in carbon-rich Miras - I. Model atmospheres and synthetic line profiles W. Nowotny, B. Aringer, S. Höfner, R. Gautschy-Loidl and W. Windsteig A&A, 437 1 (2005) 273-284 Published online: 10 June 2005 DOI: 10.1051/0004-6361:20042461