Synthesis of formamide and isocyanic acid after ion irradiation of frozen gas mixtures Z. Kaňuchová, R. G. Urso, G. A. Baratta, J. R. Brucato, M. E. Palumbo and G. Strazzulla A&A, 585 (2016) A155 Published online: 14 January 2016 DOI: 10.1051/0004-6361/201527138