Univaso, P., Martínez Soler, M., & Gurlekian, J. A. . (2014). Intra- and inter-speaker variability of sibilant fricative /s/ in Argentine Spanish. Journal of Experimental Phonetics, 23, 95–124. Retrieved from https://revistes.ub.edu/index.php/experimentalphonetics/article/view/44158