D. H. Deterding, 1989, University of Cambridge, "Speaker
Normalisation for Automatic Speech Recognition", submitted for PhD.
M. Niranjan and F. Fallside, 1988, Cambridge University Engineering
Department, "Neural Networks and Radial Basis Functions in
Classifying Static Speech Patterns", CUED/F-INFENG/TR.22.
Steve Renals and Richard Rohwer, "Phoneme Classification Experiments
Using Radial Basis Functions", Submitted to the International Joint
Conference on Neural Networks, Washington, 1989. Newman, D.J. & Hettich, S. & Blake, C.L. & Merz, C.J. (1998).
UCI Repository of machine learning databases
[http://www.ics.uci.edu/~mlearn/MLRepository.html]. Irvine, CA:
University of California, Department of Information and Computer
Science.