Nature of the Peierls- to Mott-insulator transition in 1D H. Fehske, A. P. Kampf, M. Sekania and G. Wellein Eur. Phys. J. B, 31 1 (2003) 11-16 Published online: 27 January 2003 DOI: 10.1140/epjb/e2003-00002-2