Effects of Single Versus Multiple Warnings on Driver Performance. - Mary L. Cummings; Ryan M. Kilgore; Enlie Wang; Louis Tijerina; Dev S. Kochhar (Hum. Factors, 2007)

Delays and User Performance in Human-Computer-Network Interaction Tasks. - Barrett S. Caldwell; Enlie Wang (Hum. Factors, 2009)