@book {9783834361363, 
	title = "PLC Basic Course with SIMATIC S7",
	author = "Kaftan, Jürgen",
	isbn = "9783834361363",
	year = "2011",
	edition = "1",
	keywords = "SPS, SIMATIC S7, PLC",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783834361363",
	url = "https://content-select.com/de/portal/media/view/528f28de-8194-484c-be34-1c4a2efc1343",
	publisher = "Vogel Communications Group",
	language = "eng",
}