Marchetti, E., F. Morgia, G. Filligoi, A. Lunghi, and L. Fattorini. “Vpa-Based Weighting Curve: Preliminary Assessment of Gender Difference”. Canadian Acoustics, vol. 39, no. 2, June 2011, pp. 100-1, https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2377.