ARIYOSHI, T. Multimodal Expression for Humanoid Robots by Integration of Human Speech Mimicking and Facial Color. Proc. of 8th International Conference on Spoken Language Processing, ISCA, 2004. 2004
BARKER, J. Robust ASR Based on Clean Speech Models : An Evaluation of Missing Data Techniques for Connected Digit Recognition in Noise. Proc. of 7th European Conference on Speech Communication Technology, 2001. 2001, 213-216