Dust amorphization in protoplanetary disks A. M. Glauser, M. Güdel, D. M. Watson, T. Henning, A. A. Schegerer, S. Wolf, M. Audard and C. Baldovin-Saavedra A&A, 508 1 (2009) 247-257 Published online: 15 October 2009 DOI: 10.1051/0004-6361/200912087