| |
| 2003 | ||
|---|---|---|
| 2 | EE | Purdy Ho, John Armington: A Dual-Factor Authentication System Featuring Speaker Verification and Token Technology. AVBPA 2003: 128-136 |
| 2002 | ||
| 1 | EE | John Armington, Purdy Ho, Paul Koznek, Richard Martinez: Biometric Authentication in Infrastructure Security. InfraSec 2002: 1-18 |
| 1 | Purdy Ho | [1] [2] |
| 2 | Paul Koznek | [1] |
| 3 | Richard Martinez | [1] |