Dynamical structure of the pulsating atmosphere of RR Lyrae - I. A typical pulsation cycle D. Gillet, B. Mauclaire, T. Lemoult, Ph. Mathias, J.-S. Devaux, Th. de France, T. Garrel and the GRRR Collaboration A&A, 623 (2019) A109 Published online: 13 March 2019 DOI: 10.1051/0004-6361/201833869