Possible survival of simple amino acids to X-ray irradiation in ice: the case of glycine A. Pernet, J. Pilmé, F. Pauzat, Y. Ellinger, F. Sirotti, M. Silly, Ph. Parent and C. Laffon A&A, 552 (2013) A100 Published online: 08 April 2013 DOI: 10.1051/0004-6361/201220372