The near-infrared excitation of the HH 211 protostellar outflow B. O'Connell, M. D. Smith, D. Froebrich, C. J. Davis and J. Eislöffel A&A, 431 1 (2005) 223-234 Published online: 02 February 2005 DOI: 10.1051/0004-6361:20041821