@book {9783170309814, 
	title = "Marketing Intelligence",
	author = "Theobald, Elke",
	isbn = "9783170309814",
	year = "2018",
	edition = "1",
	keywords = "Wettbewerb, Marktforschung, Datenverarbeitung",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783170309814",
	url = "https://content-select.com/de/portal/media/view/5c76a4b1-5780-45ce-907a-2813b0dd2d03",
	publisher = "W. Kohlhammer Verlag",
	language = "ger",
}