Electrical resistivity of the Ti4O7 Magneli phase under high pressure C. Acha, M. Monteverde, M. Núñez-Regueiro, A. Kuhn and M. A. Alario Franco Eur. Phys. J. B, 34 4 (2003) 421-428 Published online: 09 September 2003 DOI: 10.1140/epjb/e2003-00240-2