William D. Riley

Frequency Characteristics in Animal Species Typically Used in Laryngeal Research: An Exploratory Investigation.

L. Carroll, W. D. Riley, J. L. Riley, 2016, Journal of voice : official journal of the Voice Foundation.

Singing power ratio: quantitative evaluation of singing voice quality.

K. Omori, A. Kacker, L. Carroll, 1996, Journal of voice : official journal of the Voice Foundation.