The collaborative cube puzzle: a comparison of virtual and real environments. - Josef Wideström; Ann-Sofie Axelsson; Ralph Schroeder; Alexander Nilsson; Ilona Heldal; Åsa Abelin (CVE, 2000)

Cubes in the Cube: A Comparison of a Puzzle-Solving Task in a Virtual and a Real Environment. - Ann-Sofie Axelsson; Åsa Abelin; Ilona Heldal; Ralph Schroeder; Josef Wideström (Cyberpsychology Behav. Soc. Netw., 2001)

Collaborating in networked immersive spaces: as good as being there together? - Ralph Schroeder; Anthony Steed; Ann-Sofie Axelsson; Ilona Heldal; Åsa Abelin; Josef Wideström; Alexander Nilsson; Mel Slater (Comput. Graph., 2001)

Immersiveness and Symmetry in Copresent Scenarios. - Ilona Heldal; Ralph Schroeder; Anthony Steed; Ann-Sofie Axelsson; Maria Spante; Josef Wideström (VR, 2005)

The Transdisciplinary Nature of Virtual Space. - Josef Wideström (AVR (1), 2019)