Brna, Paul
Monografia (1993) Artificial intelligence in education, 1993 : proceedings of AI–ED 93 : World Conference on Artificial Intelligence in Education : Edinburgh, Scotland, 23 – 27 August 1993
Monografia (1997) PEG'97 : meeting the challenge of the new technologies : proceedings of the eight International PEG Conference : Sozopol, Bulgaria May 30th – June 1st 1997