A dam around the Water Fountain Nebula? - The dust shell of IRAS16342-3814 spatially resolved with VISIR/VLTT. Verhoelst, L. B. F. M. Waters, A. Verhoeff, C. Dijkstra, H. Van Winckel, J. W. Pel and R. F. PeletierA&A, 503 3 (2009) 837-841DOI: https://doi.org/10.1051/0004-6361/200911984