Linking ice and gas in the Serpens low-mass star-forming region G. Perotti, W. R. M. Rocha, J. K. Jørgensen, L. E. Kristensen, H. J. Fraser and K. M. Pontoppidan A&A, 643 (2020) A48 Published online: 29 October 2020 DOI: 10.1051/0004-6361/202038102