Motional narrowing of the nuclear magnetic resonance line by the sliding of spin-density waves E. Barthel, G. Quirion, P. Wzietek, D. Jérome, J. B. Christensen, M. Jørgensen et K. Bechgaard J. Phys. I France, 3 7 (1993) 1501-1505 DOI: 10.1051/jp1:1993195