@incollection {386241,
	title = {INUS Conditions},
	booktitle = {Encyclopedia of statistics in behavioral science},
	volume = {2},
	year = {2005},
	pages = {955{\textendash}958},
	publisher = {John Wiley \& Sons},
	isbn = {0470860804},
	author = {Horsten, Leon and Weber, Erik}
}
