Extended elman's recurrent neural network for syllable recognition. - Yong Duk Cho; Ki Chul Kim; Hyunsoo Yoon; Seung Ryoul Maeng; Jung Wan Cho (ICSLP, 1990)

Enhanced parametric representation using binarized spectrum. - Ki Chul Kim; Hyunsoo Yoon; Jung Wan Cho (ICSLP, 1990)

Application of fully recurrent neural networks for speech recognition. - Sung Jun Lee; Ki Chul Kim; Hyunsoo Yoon; Jung Wan Cho (ICASSP, 1991)