A speech codec for cellular radio at a gross bit rate of 11.4 kb/s. - Hans Hermansson; Tor Björn Minde; Jonas Ahlberg; P. Lundqvist (ICASSP, 1991)

Techniques for low bit rate speech coding using long analysis frames. - Tor Björn Minde; Torbjörn Wigren; Jonas Ahlberg; Hans Hermansson (ICASSP (2), 1993)