Spectral entropy: an alternative indicator for rate allocation? - Stan A. McClellan; Jerry D. Gibson (ICASSP (1), 1994)

Lag-indexed VQ for pitch filter coding. - Stan A. McClellan; Jerry D. Gibson (ICASSP, 1996)

Variable-rate CELP based on subband flatness. - Stan A. McClellan; Jerry D. Gibson (IEEE Trans. Speech Audio Process., 1997)

Efficient pitch filter encoding for variable rate speech processing. - Stan A. McClellan; Jerry D. Gibson; B. Keith Rutherford (IEEE Trans. Speech Audio Process., 1999)