| |
| 2004 | ||
|---|---|---|
| 2 | Keishi Suzumura, Natsuko Hikage, Yuko Murayama: A chat system with knock-on-the-door sound and shadow. Computer Supported Acitivity Coordination 2004: 81-90 | |
| 2002 | ||
| 1 | Keishi Suzumura, Hiromi Gondo, Yuko Murayama: Tools for On-Door Communications on WWW. PWC 2002: 87-94 | |
| 1 | Hiromi Gondo | [1] |
| 2 | Natsuko Hikage | [2] |
| 3 | Yuko Murayama | [1] [2] |