G. Styliaras, и S. Christodoulou. HT '09: Proceedings of the 20th ACM conference on Hypertext and hypermedia, стр. 35--44. New York, NY, USA, ACM, (2009)
G. Styliaras, и S. Christodoulou. HT '09: Proceedings of the 20th ACM conference on Hypertext and hypermedia, стр. 35--44. New York, NY, USA, ACM, (2009)