Fast Hartley transform pruning. - Siva Bala Narayanan; K. M. M. Prabhu (IEEE Trans. Signal Process., 1991)

Feature representations for monitoring of tool wear. - Siva Bala Narayanan; Jing Fang; Gary D. Bernard; Les E. Atlas (ICASSP (6), 1994)

Applications of time-frequency analysis to signals from manufacturing and machine monitoring sensors. - Les E. Atlas; Gary D. Bernard; Siva Bala Narayanan (Proc. IEEE, 1996)