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On the relevance of some spectral and temporal patterns for vowel classificationSorin Dusan · 2007

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Automated classification of vowel category and speaker type in the high-frequency spectrumDonai, Jeremy J.; Motiian, Saeid; Doretto, Gianfranco · Audiology Research · 2016

The “effective second formant” <i>F</i> ′ <sub/>2</sub> : A parameter for the classification of French front vowelsMantakas, Marios; Escudier, Pierre; Schwartz, Jean‐Luc · The Journal of the Acoustical Society of America · 1987

The effects of cross-generational and cross-dialectal variation on vowel identification and classificationJacewicz, Ewa; Fox, Robert Allen · The Journal of the Acoustical Society of America · 2012