A search for mid-infrared molecular hydrogen emission from protoplanetary disks A. Carmona, M. E. van den Ancker, Th. Henning, Ya. Pavlyuchenkov, C. P. Dullemond, M. Goto, W. F. Thi, J. Bouwman and L. B. F. M. Waters A&A, 477 3 (2008) 839-852 Published online: 12 November 2007 DOI: 10.1051/0004-6361:20077846