Spin-dependent magnetoresistance in multiwall carbon nanotubes X. Hoffer, Ch. Klinke, J.-M. Bonard, L. Gravier and J.-E. Wegrowe Europhys. Lett., 67 1 (2004) 103-109 Published online: 01 June 2004 DOI: 10.1209/epl/i2003-10273-1