1. Collier R. Intonation analysis: the perception of speech melody in relation to acoustics and production. Proceedings of Eurospeech'89, First European Conference on Speech Communication and Technology, Paris; 1989:1038–1044.
2. Mozziconacci S. Prosody and emotions. Speech Prosody 2002. Aix-en-Provence, France (April 11–13); 2002:1–9.
3. Emotional and linguistic perception of prosody;Raithel;Folia Phoniatr Logop,2004
4. Describing the emotional states that are expressed in speech;Cowie;Speech Commun,2003
5. Monopitched expression of emotions in different vowels;Waaramaa;Folia Phoniatr Logop,2008