K. Hinkelmann, J. Magenheim, W. Reinhardt, K. Holzweißig, M. Mlynarski, и T. Nelkner. Creating New Learning Experiences on a Global Scale. Second European Conference on Technology Enhanced Learning, EC-TEL 2007, Crete, Greece, September 17-20, 2007. Proceedings., том 4753 из Lecture Notes in Computer Science, стр. 487-492. Springer, (2007)
K. Hinkelmann, J. Magenheim, W. Reinhardt, и K. und Michael Mlynarski Tobias Nelkner. Creating New Learning Experiences on a Global Scale. Second European Conference on Technology Enhanced Learning, EC-TEL 2007, Crete, Greece, September 17-20, 2007. Proceedings., том 4753 из Lecture Notes in Computer Science, стр. 487-492. Springer, (2007)