Optimizing digraph-latency based biometric typist verification systems: inter and intra typist differences in digraph latency distributions. - Doug Mahar; Renee Napier; Michael Wagner 004; William Laverty; Ron Henderson; Michael Hiron (Int. J. Hum. Comput. Stud., 1995)

Keyboard user verification: toward an accurate, efficient, and ecologically valid algorithm. - Renee Napier; William Laverty; Doug Mahar; Ron Henderson; Michael Hiron; Michael Wagner 004 (Int. J. Hum. Comput. Stud., 1995)

User verification through pointing characteristics: an exploration examination. - Kate Barrelle; William Laverty; Ron Henderson; Jon Gough; Michael Wagner 004; Michael Hiron (Int. J. Hum. Comput. Stud., 1996)