Time-Frequency Analysis of a Variable Stiffness Model for Fault Development. - Leon Cohen; Lorenzo Galleani; Robert A. Hedges; David Hughes; Patrick J. Loughlin; Bruce W. Suter (Digit. Signal Process., 2002)

Numerical Spread: Quantifying Local Stationarity. - Robert A. Hedges; Bruce W. Suter (Digit. Signal Process., 2002)