So, Connie Kwok Lai. “The Effect of Acoustic Information of Lexical Tones on Non-Native listeners’ Tonal Identifications”. Canadian Acoustics 31, no. 3 (September 1, 2003): 46–47. Accessed February 20, 2025. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1543.