| holmer2006explicit | Holmer, T., Kienle, A., & Wessner, M. (2006). Explicit referencing in learning chats: Needs and acceptance. Innovative approaches for learning and knowledge sharing. Springer. | PDF |
| lukosch2008multiple | Lukosch, S., Holmer, T., & Kunz, V. (2008). Multiple Visualisierungsformen für Beiträge in Chat-Systemen. Mensch und Computer 2008: Viel Mehr Interaktion. Oldenbourg Verlag. | PDF |
| holmer2008addressing | Holmer, T., Lukosch, S., & Kunz, V. (2008). Addressing co-text loss with multiple visualizations for chat messages. Groupware: Design, Implementation, and Use. Springer. | PDF |
| holmer2009diminishing | Holmer, T., Lukosch, S., & Kunz, V. (2009). Diminishing Chat Confusion by Multiple Visualizations. Journal of Universal Computer Science. | PDF |
