@journal {9783734409059, 
	title = "Alterssicherung Politikum 4/2019",
	journal = "Politikum",
	ISSN = "2364-4737 ",
	year = "2019",
	number = "4",
	journal = "Politikum",
	ISSN = "2364-4737",
	year = "2019",
	number = "4",
	doi = "9783734409059",
9783734409059, 
	url = "https://content-select.com/index.php?id=bib_view&doi=9783734409059",
	publisher = "Wochenschau Verlag",
	language = "",
}