Characterizing the nature of embedded young stellar objects through silicate, ice and millimeter observationsA. Crapsi, E. F. van Dishoeck, M. R. Hogerheijde, K. M. Pontoppidan and C. P. DullemondA&A, 486 1 (2008) 245-254DOI: https://doi.org/10.1051/0004-6361:20078589