The circumstellar dust shell of the post-AGB star HD 161796S. N. Hoogzaad, F. J. Molster, C. Dominik, L. B. F. M. Waters, M. J. Barlow and A. de KoterA&A, 389 2 (2002) 547-555DOI: https://doi.org/10.1051/0004-6361:20020403
