Vocal fold pathology assessment using AM autocorrelation analysis of the teager energy operator. - Liliana Gavidia-Ceballos; John H. L. Hansen; James F. Kaiser (ICSLP, 1996)

Direct speech feature estimation using an iterative EM algorithm for vocal fold pathology detection. - Liliana Gavidia-Ceballos; John H. L. Hansen (IEEE Trans. Biomed. Eng., 1996)

A nonlinear operator-based speech feature analysis method with application to vocal fold pathology assessment. - John H. L. Hansen; Liliana Gavidia-Ceballos; James F. Kaiser (IEEE Trans. Biomed. Eng., 1998)