@journal {ED_2_2017, 
	title = "agrarzeitung 2/2017",
	journal = "agrarzeitung",
	ISSN = "1869-9707",
	year = "2017",
	number = "2",
	doi = "ED_2_2017",
	url = "https://content-select.com/index.php?id=bib_view&doi=ED_2_2017",
	publisher = "Deutscher Fachverlag",
	language = "",
}