Rossi, Vincent; López, Cristóbal; Hernández-García, Emilio; Sudre, Joel; Garcon, Veronique; Morel, Yves.
Nonlinear Processes in Geophysics 16, 557-568 (2009)
http://ifisc.uib-csic.es/publications/publication-detail.php?indice=1996
Has been commented on the 29th issue (December 2009) of 'The EGGS', newsletter of the European Geophysical Union (pag. 14).