@book {9783593416014, 
	title = "Das Maximum-Prinzip",
	author = "Tracy, Brian",
	isbn = "9783593416014",
	year = "2003",
	edition = "1",
	keywords = "Beruf/Ratgeber, Lebensführung/Ratgeber, Freizeit/Ratgeber",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783593416014",
	url = "https://content-select.com/de/portal/media/view/519cc2e3-3f54-4759-b3ef-253f5dbbeaba",
	publisher = "Campus Frankfurt / New York",
	language = "ger",
}