Johan Sundberg

Formant frequencies in country singers' speech and singing.

J Sundberg, J. Sundberg, T. Cleveland, 1999, Journal of voice : official journal of the Voice Foundation.

Spectral correlates of glottal voice source waveform characteristics.

J. Sundberg, J. Gauffin, Johan Sundberg, 1989, Journal of speech and hearing research.

Long-term-average spectrum characteristics of country singers during speaking and singing.

J Sundberg, J. Sundberg, T. Cleveland, 2001, Journal of voice : official journal of the Voice Foundation.

What happens during vocal warm-up?

J. Sundberg, P. Gramming, N. Elliot, 1995, Journal of voice : official journal of the Voice Foundation.

Effects of lung volume on the glottal voice source.

M. Thomasson, Johan Sundberg, Jenny Iwarsson, 1998, Journal of voice : official journal of the Voice Foundation.

Speech , Music and Hearing Quarterly Progress and Status Report Level and center frequency of the singer ’ s formant

J. Sundberg, Johan Sundberg, 2007 .