@book {16535,
	title = {A theoretical foundation for abductive expert systems},
	year = {1985},
	month = {1985///},
	publisher = {North-Holland, New York},
	organization = {North-Holland, New York},
	author = {Reggia, James A. and Nau, Dana S. and Peng,Y. and Perricone,B.}
}
