@book {9783834361134, 
	title = "SPS-Beispiele mit Simatic S7",
	author = "Kaftan, Jürgen",
	isbn = "9783834361134",
	year = "2010",
	edition = "2",
	keywords = "SPS, STEP 7, SIMATIC S7",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783834361134",
	url = "https://content-select.com/de/portal/media/view/528f28da-4adc-4337-91b1-1c4a2efc1343",
	publisher = "Vogel Communications Group",
	language = "ger",
}