@book{101961,
	author = {Wilke, Gerhard,},
	title = {The art of group analysis in organisations :},
	publisher = {Karnac Books,},
	year = {2014.},
	series = {New International Library of Group Analysis},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10857333}
}