Circumstellar disks around Herbig Be stars T. Alonso-Albi, A. Fuente, R. Bachiller, R. Neri, P. Planesas, L. Testi, O. Berné and C. Joblin A&A, 497 1 (2009) 117-136 Published online: 18 February 2009 DOI: 10.1051/0004-6361/200810401