Galactic cosmic rays on extrasolar Earth-like planets - II. Atmospheric implications J.-M. Grießmeier, F. Tabataba-Vakili, A. Stadelmann, J. L. Grenfell and D. Atri A&A, 587 (2016) A159 Published online: 08 March 2016 DOI: 10.1051/0004-6361/201425452