Architecture and implementation of the olivetti PC-based very large vocabulary isolated word speech recognition system. - P. Buttafava; Roberto Billi; W. Digiampietro; G. Massia; V. Vittorelli (EUROSPEECH, 1989)

A PC-based very large vocabulary isolated word speech recognition system. - Roberto Billi; P. Buttafava; D. Cericola; W. Digiampietro; G. Massia; M. J. Mollo; F. Tafini; G. Varese; V. Vittorelli (Speech Commun., 1990)

Computer-aided, voice-based, medical report preparation: an application to radiology. - Roberto Billi; P. Buttafava; P. De Stefani; M. Gamba; D. Voltolini (EUROSPEECH, 1991)