Grodal, Torben Kragh. “Lars Qvortrup: Virtual Interaction: Interaction in Virtual Inhabited 3D Worlds”. MedieKultur: Journal of media and communication research 17, no. 33 (September 4, 2001): 4 pages. Accessed August 27, 2025. https://www.mediekultur.dk/article/view/1201.