Ionization of thymine by electron impact: investigation of inner shell orbitalsC. Dal Cappello, Z. Rezkallah, S. Houamer, I. Charpentier, A.C. Roy, P.A. Hervieux and M.F. Ruiz-LopezEur. Phys. J. D, 67 6 (2013) 117DOI: https://doi.org/10.1140/epjd/e2013-40081-x