1. [1] Abdulla, Waleed H. and Nikola Kirilov Kasabov (2001) Improving speech recognition performance through gender separation. In: Proceedings of Artificial Neural Networks and Expert Systems International Conference (ANNES). Dunedin, New Zeland.
2. [2] Alter, Kai, Erhard Rank, Sonja A. Kotz, Erdmut Pfeifer, Mireille Besson, Angela D. Friederici and Johannes Matiasek (1999) On the relations of semantic and acoustic properties of emotions. In: Proceedings of the 14th International Congress of Phonetic Sciences (ICPhS'99). San Francisco.
3. [3] Anthony, Laurence (2014) AntConc (Version 3.4.3w) [Computer Software]. Tokyo: Waseda University.
4. [4] Averill, James R. (2009) Constructivism (psychological perspectives). In: David Sander and Klaus R. Scherer (eds.) Oxford Companion to Emotion and the Affective Sciences. Oxford: Oxford University Press.
5. Acoustic profiles in vocal emotion expression;Banse;Journal of Personality and Social Psychology 70(3) 614-636 | DOI 10 1037/0022-3514 70 3,1996