@article {16616,
	title = {Diagnostic expert systems based on a set covering model},
	journal = {International Journal of Man-Machine Studies},
	volume = {19},
	year = {1983},
	month = {1983///},
	pages = {437 - 460},
	author = {Reggia, James A. and Nau, Dana S. and Wang,P. Y}
}
