K. Wijekumar, и J. Spielvogel. ICIS-COMSAR '06: Proc. 5th Int'l Conf. on Computer
and Information Science and 1st Int'l Workshop on Component-Based
Software Engineering, Software Architecture and Reuse, стр. 506--510. Washington, DC, USA, IEEE Press, (2006)
R. Nkambou, E. Nguifo, и P. Fournier-Viger. ITS'08: Proc. 9th Int'l Conf. on Intelligent
Tutoring Systems, том 5091 из LNCS, стр. 395--405. Montreal, Canada, Springer, (2008)
R. Bordini, J. Hübner, и D. Tralamazza. CLIMA VII: Proc. 7th Workshop on Computational Logic in Multi-Agent
Systems, стр. 233--237. Hakodate, Japan, (2006)