Flux dynamics, superconducting, and normal state properties of Gd(Ba2-xPrx)Cu3O7+δ M. R. Mohammadizadeh and M. Akhavan Eur. Phys. J. B, 42 3 (2004) 321-336 Published online: 23 December 2004 DOI: 10.1140/epjb/e2004-00387-2