Density fluctuations associated with the sawtooth internal disruption J. Andreoletti, C. Laviron, J. Olivain, A. L. Pecquet, F. Gervais, D. Gresillon, P. Hennequin, A. Quemeneur et A. TrucJ. Phys. III France, 1 9 (1991) 1529-1555DOI: https://doi.org/10.1051/jp3:1991209