Transient analysis of speech signals using the Wigner time-frequency representation. - Edgar F. Velez; Richard G. Absher (ICASSP, 1989)

A comparison of smoothing kernels for computing bilinear time-frequency representations. - Harinath Garudadri; Edgar F. Velez (ICASSP, 1991)

Parametric modeling of the Wigner half-kernel and its application to spectral estimation. - Edgar F. Velez; Richard G. Absher (Signal Process., 1992)