Thalmann, D2007-03-052007-03-052007-03-05200110.1007/978-1-4471-0259-5_3https://infoscience.epfl.ch/handle/20.500.14299/3477The Role of Virtual Humans in Virtual Environment Technology and Interfaces, In: Frontiers of Human-Centred Computingtext::book/monograph::book part or chapter