1. Early Permian Pangea 'B' to Late Permian Pangea 'A" Muttoni, Giovanni; Kent, Dennis V.; Garzanti, Eduardo; Abrahamsen, Peter; Abrahamsen, Niels; Gaetani, Maurizio 2003 Articles Geophysics
2. Paleomagnetic evidence for Neogene tectonic rotations in the northern Apennines, Italy Muttoni, Giovanni; Argnani, Andrea; Kent, Dennis V.; Abrahamsen, Niels; Cibin, Ubaldo 1998 Articles Geophysics