PROPHON - an interactive environment for text-to-speech conversion. - Marina Bäckström; Ken Ceder; Bertil Lyberg (EUROSPEECH, 1989)

The integration of linguistic levels in a text-to-speech conversion system. - Ken Ceder; Bertil Lyberg (ICSLP, 1990)

Yet another rule compiler for text-to-speech conversion? - Ken Ceder; Bertil Lyberg (ICSLP, 1992)