@book {9783955715892, 
	title = "Nonviolent Communication Companion Workbook",
	author = "Leu, Lucy",
	isbn = "9783955715892",
	year = "2016",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783955715892",
	url = "https://content-select.com/de/portal/media/view/5a86cc8a-7204-4455-b5c5-649fb0dd2d03",
	publisher = "Junfermann Verlag",
	language = "ger",
}