Providing channel error protection for a 2400 bps linear predictive coded voice system. - Jesse W. Fussell; Barry M. Abzug; Paul W. Boudra Jr.; Michael D. Cowing (ICASSP, 1978)

16 kbps APC with hybrid quantization. - Michael D. Cowing; Jesse W. Fussell (ICASSP, 1984)