@journal {AHGZ_2_2017, title = "Allgemeine Hotel- und Gastronomie-Zeitung 2/2017", journal = "Allgemeine Hotel- und Gastronomie Zeitung (ahgz)", ISSN = "0002-5895", year = "2017", number = "2", doi = "AHGZ_2_2017", url = "https://content-select.com/index.php?id=bib_view&doi=AHGZ_2_2017", publisher = "Deutscher Fachverlag", language = "", }