@book {9783834362605, 
	title = "SPS-Programmierung mit ST",
	author = "Schmitt, Karl",
	isbn = "9783834362605",
	year = "2019",
	edition = "3",
	keywords = "TIA-Portal, IEC 61131, CODESYS",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783834362605",
	url = "https://content-select.com/de/portal/media/view/5e451118-0798-48c1-8289-51a9b0dd2d03",
	publisher = "Vogel Communications Group",
	language = "ger",
}