@InBook{Characterizing_Knowledge_Depth_in_Intelligent_Safety_Systems,
	author = "Tim Finin and David Klein",
	editor = "Werner Horn",
	title = "{Characterizing Knowledge Depth in Intelligent Safety Systems}",
	month = "January",
	year = "1990",
	organization = "Hemasphere Publishing Corporation",
	pages = "45-58",
	booktitle = "Causal AI Models",
	publisher = "Taylor and Francis",
}