Ben-David, B. M., P. H. Van Lieshout, and A. Nishta. “The Sound of Stroop: Acoustic Effects in Stroop Interference”. Canadian Acoustics, vol. 37, no. 3, Sept. 2009, pp. 188-9, https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2197.