Mid-infrared imaging of the circumstellar dust around three Herbig Ae stars: HD 135344, CQ Tau, and HD 163296C. Doucet, E. Pantin, P. O. Lagage and C. P. DullemondA&A, 460 1 (2006) 117-124DOI: https://doi.org/10.1051/0004-6361:20054371