B. Schönhage, A. van Ballegooij, и A. Elliëns. Proceedings of the fifth symposium on Virtual reality modeling language (Web3D-VRML), стр. 131--138. New York, NY, USA, ACM, (2000)
M. Johansson, и M. Arvola. Proceedings of the 21st British HCI Group Annual Conference on People and Computers: HCI...but not as we know it - Volume 1, стр. 177--184. Swinton, UK, UK, British Computer Society, (2007)
T. Strang, и C. Popien. UbiComp 1st International Workshop on Advanced Context Modelling, Reasoning and Management, стр. 31--41. Nottingham, (сентября 2004)
M. Strimpakou, I. Roussaki, и M. Anagnostou. Advanced Information Networking and Applications, 2006. AINA 2006. 20th International Conference on, стр. 5 pp.. (2006)
G. Biegel, и V. Cahill. Proceedings of the Second IEEE International Conference on Pervasive Computing and Communications (PerCom'04), стр. 361--. Washington, DC, USA, IEEE Computer Society, (2004)
X. Li, T. Schlegel, M. Rotard, и T. Ertl. Proceedings of the Intelligent Production Machines and Systems - 2nd I*PROMS Virtual International Conference, стр. 89-94. (2006)