The hydrodynamical structure of circumstellar envelopes around low mass-loss rate, low outflow velocity AGB starsJ. M. Winters, T. Le Bertre, L.-Å. Nyman, A. Omont and K. S. JeongA&A, 388 2 (2002) 609-614DOI: https://doi.org/10.1051/0004-6361:20020524