13C NMR investigation of the linear and nonlinear dynamics of the spin-density wave of (TMTSF)2PF6 E. BARTHEL, G. KRIZA, G.QUIRION, P. WZIETEK, D. JÉROME, J.B. CHRISTENSEN, M. JØRGENSEN et K. BECHGAARD J. Phys. IV France, 03 C2 (1993) C2-231-C2-234 DOI: 10.1051/jp4:1993246