A Technological Framework for the Authoring and Presentation of T-learning Courses. - Francesco Bellotti; Stefanos Vrochidis; Sophie Ramel; Ioannis Tsampoulatidis; Pascal Lhoas; Matteo Pellegrino; Giancarlo Bo; Ioannis Kompatsiaris (Int. J. Emerg. Technol. Learn., 2008)