Contini, M., A. Romano, L. de Castro Moutinho, and E. Fernández Rei. “L’avancement Des Recherches En géoprosodie Et Le Projet AMPER”. Journal of Experimental Phonetics, vol. 18, Dec. 2009, pp. 109-22, https://revistes.ub.edu/index.php/experimentalphonetics/article/view/44399.