M. Fabien, S. Parida, P. Motlicek, D. Zhu, A. Krishnan, and H. Nguyen. Interspeech 2021, 22nd Annual Conference of the International Speech Communication Association, Brno, Czech Republic, 30 August - 3 September 2021, (2021)
R. Iltis, and S. Browne. Speech Communication: Essays to Commemorate the 75th Anniversary of the Speech Communication Association, Southern Illinois University Press, Carbondale, (1990)