@book {9783791044262, 
	title = "Kompetenzentwicklung im Vertrieb",
	author = "Stelzer, Bernd",
	isbn = "9783791044262",
	year = "2019",
	keywords = "Coaching, Vertrieb, Weiterbildung, Trainer, Kompetenzentwicklung, Verkaufstraining, Stelzer",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783791044262",
	url = "https://content-select.com/de/portal/media/view/5c864c16-963c-4577-859d-29e1b0dd2d03",
	publisher = "Schäffer-Poeschel",
	language = "ger",
}