Desorption of small ionic fragments from oligonucleotides induced by low energy carbon ions S. Ptasińska, N. J. Mason, C. A. Hunniford, R. W. McCullough, S. Denifl, A. Mauracher and P. Scheier Eur. Phys. J. D, 60 1 (2010) 59-63 Published online: 30 March 2010 DOI: 10.1140/epjd/e2010-00083-x