Mantilla Caeiros, A, M Nakano Miyatake, and H Perez Meana. “A Pattern Recognition Based Esophageal Speech Enhancement System”. Journal of Applied Research and Technology 8, no. 01 (April 1, 2010). Accessed April 18, 2024. https://jart.icat.unam.mx/index.php/jart/article/view/475.