Radio and infrared study of southern H II regions G346.056−0.021 and G346.077−0.056 S. R. Das, A. Tej, S. Vig, T. Liu, S. K. Ghosh and C. H. I. Chandra A&A, 612 (2018) A36 Published online: 17 April 2018 DOI: 10.1051/0004-6361/201730561