@book {9783402177082, 
	title = "Textkritische Untersuchungen zu Ciceros Schrift De Officiis Ebook PDF",
	author = "Thomas, Klaus Bernd",
	isbn = "9783402177082",
	year = "1971",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783402177082",
	url = "https://content-select.com/de/portal/media/view/604216d3-9294-419e-b660-5a28b0dd2d03",
	publisher = "Aschendorff Verlag",
}