Near-infrared spectroscopy of 20 new Chandra sources in the Norma arm F. Rahoui, J. A. Tomsick, F. M. Fornasini, A. Bodaghee and F. E. Bauer A&A, 568 (2014) A54 Published online: 13 August 2014 DOI: 10.1051/0004-6361/201424006