1. , , , , . Tiles: a mixed reality authoring interface. In Proceedings of Interact 2001, Zurich, Switzerland, 2001; pp. 334–341.
2. , . Agents that talk and hit back: animated agents in augmented reality. In Proceedings of International Symposium on Mixed and Augmented Reality (ISMAR'04), Arlington, VA, USA, 2004; pp. 141–150.
3. . Ubiquitous animated agents for augmented reality. In Proceedings of International Symposium on Mixed and Augmented Reality (ISMAR'06), Santa Barbara, CA, USA, 2006.
4. . Interactive tools for virtual X-ray vision in mobile augmented reality. In Proceedings of International Symposium on Mixed and Augmented Reality (ISMAR'04), Arlington, VA, USA, 2004; pp. 52–62.
5. Knowledge-based augmented reality