@book{206292,
	author = {Greif, Geoffrey L. and ebrary, Inc.},
	title = {Group work with populations at risk},
	publisher = {Oxford University Press,},
	year = {2005.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10103622}
}