@book {9783961860920, 
	title = "Lächeln, nicken, kontern",
	author = "Kratz, Hans-Jürgen",
	isbn = "9783961860920",
	year = "2019",
	edition = "1",
	keywords = "Kommunikation, Verhandeln, Rhetorik, Schlagfertigkeit, Argumentieren, Kontern, Killerphrasen, Verbale Angriffe, Selbstbewusststein, Ausdrucksfähigkeit",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783961860920",
	url = "https://content-select.com/de/portal/media/view/5c767c91-b280-4755-b611-66a7b0dd2d03",
	publisher = "Walhalla Fachverlag",
	language = "ger",
}