D.Grasso, L. Margheriti, F. Porcelli, C. Tebaldi "Megnetic islands and spontaneous generation of zonal flows
Plasma Phys. and Controlled Fusion, Vol. 48, L87-95.

F. Porcelli et al "Integrated modelling of sawtooth oscillations in tokamaks
Proceedings of the 21th Fusion Energy Conference 16-21 October, Chengdu, China , 2006.

F. Militello, J. R. Hastie, F. Porcelli "Perturbative Analysis of the Tearing Mode Saturation"
Phys. Plasmas, Vol. 13, 112512,2006.