Braaten, K., D. Foster, B. Korst-Fagundes, and H. Shen. “Subjective Evaluation of Different Error Correction Schemes for Application With a 900 MHz Frequency Hopper Communication System”. Canadian Acoustics, vol. 27, no. 1, Mar. 1999, pp. 29-34, https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1187.