Quality evaluation of text-to-speech synthesizers using magnitude estimation, categorical estimation, pair comparison and reaction time methods. - Cristina Delogu; P. Paoloni; Paolo Pocci; Ciro Sementina (EUROSPEECH, 1991)

New Directions in the Evaluation of Voice Input/Output Systems. - Cristina Delogu; Andrea Paoloni; Paolo Pocci (IEEE J. Sel. Areas Commun., 1991)