M. Strohmaier, M. Kroell, и C. Koerner. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)
M. Bruckschen, R. Vieira, и S. Rigo. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)
C. Paris, N. Colineau, и R. Wilkinson. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)
K. Nielsen, R. Gude, M. Petersen, и K. Grønbæk. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)
Y. Leila, P. Yannick, и B. Zizette. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)
M. Haouach, G. Venturini, и C. Guinot. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)
B. Barricelli, M. Padula, и P. Scala. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)
L. Denoue, J. Adcock, S. Carter, и G. Golovchinsky. HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, ACM, (июля 2009)