The obscured mid-infrared continuum of NGC 4418: A dust- and ice-enshrouded AGN H. W. W. Spoon, J. V. Keane, A. G. G. M. Tielens, D. Lutz and A. F. M. Moorwood A&A, 365 3 (2001) L353-L356 Published online: 15 January 2001 DOI: 10.1051/0004-6361:20000557