@article {avnir1998systematic,
	title = {A systematic qualitative evaluation of levels of differentiation in families with children at risk},
	journal = {Families in Society},
	volume = {79},
	number = {5},
	year = {1998},
	pages = {504{\textendash}513},
	publisher = {SAGE Publications Sage CA: Los Angeles, CA},
	author = {Avnir, Yeudit and Shor, Ron}
}
