@journal {NGZ_4_2017, 
	title = "der hotelier - das ideenmagazin in der AHGZ 4/2017",
	journal = "Allgemeine Hotel- und Gastronomie Zeitung (ahgz)",
	ISSN = "0002-5895",
	year = "2017",
	number = "4",
	doi = "NGZ_4_2017",
	url = "https://content-select.com/index.php?id=bib_view&doi=NGZ_4_2017",
	publisher = "Deutscher Fachverlag",
	language = "",
}