Gillet, D.Salzmann, C.Longchamp, R.Bonvin, D.2004-11-262004-11-262004-11-26199710.23919/ECC.1997.7082339https://infoscience.epfl.ch/handle/20.500.14299/174401Telepresence : An Opportunity to Develop Real-World Experimentation in Educationtext::conference output::conference proceedings::conference paper