@inbook {71c6b4f5dd734144848c4429a039ce37,
	title = {NONMONOTONIC REASONING WITH WELL FOUNDED SEMANTICS},
	booktitle = {MIT Press},
	year = {1991},
	note = {n/a},
	month = {1},
	pages = {475{\textendash}489},
	abstract = {n/a},
	author = {Alferes, {Jos{\'e} J{\'u}lio Alves}}
}
