The photon dominated region in the IC 348 molecular cloud K. Sun, V. Ossenkopf, C. Kramer, B. Mookerjea, M. Röllig, M. Cubick and J. Stutzki A&A, 489 1 (2008) 207-216 Published online: 23 July 2008 DOI: 10.1051/0004-6361:20078431