@journal {et_2021_11, 
	title = "Zeitschrift et ? Energiewirtschaftliche Tagesfragen 11/2021",
	journal = "Zeitschrift et ? Energiewirtschaftliche Tagesfragen",
	ISSN = "0720-6240 ",
	year = "2021",
	number = "11",
	doi = "et_2021_11",
	url = "https://content-select.com/index.php?id=bib_view&doi=et_2021_11",
	publisher = "VDE Verlag",
	language = "",
}