Improved speech quality and efficient vector quantization in SELP. - W. Bastiaan Kleijn; Daniel J. Krasinski; Richard H. Ketchum (ICASSP, 1988)

An efficient stochastically excited linear predictive coding algorithm for high quality low bit rate transmission of speech. - W. Bastiaan Kleijn; Daniel J. Krasinski; Richard H. Ketchum (Speech Commun., 1988)

Fast methods for the CELP speech coding algorithm. - Willem B. Kleijn; Daniel J. Krasinski; Richard H. Ketchum (IEEE Trans. Acoust. Speech Signal Process., 1990)