Technologies for e-learning and digital entertainment [Electronic resource] : second International conference, edutainment 2007, Hong Kong, China, June 11-13, 2007: proceedings / ed. K. Hui. - Electronic text data. - Berlin ; Heidelberg : Springer, 2007. - (Lecture notes in computer science, ISSN 0302-9743 ; 4469). - ISBN 978-3-540-73011-8 : Б. ц.