Mass distributions for quasifission processes in superheavy compositesystems with Z=108-120 G.N. Knyazheva, A.A. Bogachev, I.M. Itkis, M.G. Itkis and E.M. Kozulin EPJ Web of Conferences, 63 (2013) 02014 Published online: 19 December 2013 DOI: 10.1051/epjconf/20136302014