Fundamental vibrational transitions of hydrogen chloride detected in CRL 2136 M. Goto, T. Usuda, T. R. Geballe, K. M. Menten, N. Indriolo and D. A. Neufeld A&A, 558 (2013) L5 Published online: 25 October 2013 DOI: 10.1051/0004-6361/201322225