Ilona Heldal

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Heldal, Ilona (2007): Supporting participation in planning new roads by using virtual reality systems. In Virtual Reality, 11 (2) pp. 145-159.

Heldal, Ilona (2007): The Impact of Social Interaction on Usability for Distributed Virtual Environments. In IJVR, 6 (3) pp. 45-54.

Schroeder, Ralph, Heldal, Ilona, Tromp, Jolanda (2006): The Usability of Collaborative Virtual Environments and Methods for the Analysis of Intera. In Presence: Teleoperators and Virtual Environments, 15 (6) pp. 655-667.

Roberts, David J., Heldal, Ilona, Otto, Oliver, Wolff, Robin (2006): Factors influencing flow of object focussed collaboration in collaborative virtual environ. In Virtual Reality, 10 (2) pp. 119-133.

Heldal, Ilona, Steed, Anthony, Spante, Maria, Schroeder, Ralph, Bengtsson, Sophia, Partanen, Marja (2005): Successes and Failures in Co-Present Situations. In Presence: Teleoperators and Virtual Environments, 14 (5) pp. 563-579.

Schroeder, Ralph, Steed, Anthony, Axelsson, Ann-Sofie, Heldal, Ilona, Abelin, Šsa, Widestrom, Josef, Nilsson, Alexander, Slater, Mel (2001): Collaborating in networked immersive spaces: as good as being there together?. In Computers & Graphics, 25 (5) pp. 781-788.

Heldal, Ilona, Roberts, David J., Bråthe, Lars, Wolff, Robin (2007): Presence, Creativity and Collaborative Work in Virtual Environments. In: Jacko, Julie A. (eds.) HCI International 2007 - 12th International Conference - Part I July 22-27, 2007, Beijing, China. pp. 802-811.

Heldal, Ilona, Spante, Maria, Connell, Mike (2006): Are two heads better than one?: object-focused work in physical and in virtual environment. In: Slater, Mel, Kitamura, Yoshifumi, Tal, Ayellet, Amditis, Angelos, Chrysanthou, Yiorgos (eds.) VRST 2006 - Proceedings of the ACM Symposium on Virtual Reality Software and Technology November 1-3, 2006, Limassol, Cyprus. pp. 287-296.

Steed, Anthony, Spante, Maria, Heldal, Ilona, Axelsson, Ann-Sofie, Schroeder, Ralph (2003): Strangers and friends in caves: an exploratory study of collaboration in networked IPT sys. In: SI3D 2003 , 2003, . pp. 51-54.