A new mechanism for sawtooth period controlM. Lauret, F. Felici, G. Witvoet, T. Goodman, G. Vandersteen, E. Westerhof, M. Steinbuch, O. Sauter and M. de BaarEPJ Web of Conferences, 32 (2012) 02008DOI: https://doi.org/10.1051/epjconf/20123202008