Babel, Molly, and Grant McGuire. “Contrast Salience and Talker Normalization in Nonsibilant Fricative Perception”. Canadian Acoustics 38, no. 3 (September 1, 2010): 144-145. Accessed May 7, 2021. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2286.