| |
| 2008 | ||
|---|---|---|
| 3 | EE | Pedro Esteban, Juliana Restrepo, Helmuth Trefftz: Training Geometry Teachers with Support of a Telepresence Tool. Innovative Techniques in Instruction Technology, E-learning, E-assessment, and Education 2008: 422-426 |
| 2005 | ||
| 2 | EE | Juliana Restrepo, Helmuth Trefftz: Telepresence support for synchronous distance. VRST 2005: 63-67 |
| 2004 | ||
| 1 | Andres Agudelo, Lina Escobar, Juliana Restrepo, Andres Quiroz, Helmuth Trefftz: A Collaborative Tool for Synchronous Distance Education. CATE 2004: 438-443 | |
| 1 | Andres Agudelo | [1] |
| 2 | Lina Escobar | [1] |
| 3 | Pedro Esteban | [3] |
| 4 | Andres Quiroz | [1] |
| 5 | Helmuth Trefftz | [1] [2] [3] |