Newly calculated absolute cross-section for the electron-impact ionization of C2H2+ H. Deutsch, K. Becker, P. Defrance, M. Probst, J. Limtrakul and T. D. Märk Eur. Phys. J. D, 38 3 (2006) 489-493 Published online: 14 March 2006 DOI: 10.1140/epjd/e2006-00055-9