DFT-Vocoder using harmonic-sieve pitch extraction. - Geert J. Bosscha; Robert J. Sluyter (ICASSP, 1982)

A 9.6 KBIT/s Speech Coder For Mobile Radio Applications. - Robert J. Sluyter; Geert J. Bosscha; Hans M. P. T. Schmitz (ICC (3), 1984)