@article{murray99:_author_intel_tutor_system,
	title = {Authoring Intelligent Tutoring Systems: an analysis of the state of the art},
	author = {Tom Murray},
	journal = {International Journal of Artificial Intelligence in Education},
	number = {10},
	pages = {98--129},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/25f3943fdbf35115620bd662dc31e2080/lysander07},
	keywords = {ai aum-ki2007 elearning its }
}