@book {2018,
	title = {Scandalous Error. Calendar Reform and Calendrical Astronomy in Medieval Europe },
	year = {2018},
	pages = {378},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	address = {Oxford},
	isbn = {9780198799559},
	author = {Nothaft, C. Philipp E.}
}
