H2 infrared emission and the formation of dense structures in the Orion molecular cloud L. Vannier, J. L. Lemaire, D. Field, G. Pineau des Forêts, F. P. Pijpers and D. Rouan A&A, 366 2 (2001) 651-661 Published online: 15 February 2001 DOI: 10.1051/0004-6361:20000258