Multiple ionization and fragmentation of the DNA base thymine by interaction with Cq+ ions J. de Vries, R. Hoekstra, R. Morgenstern and T. Schlathölter Eur. Phys. J. D, 24 1-3 (2003) 161-164 Published online: 03 July 2003 DOI: 10.1140/epjd/e2003-00117-6