@article {Livesey:1986:0042-7543:50,
	author = "Livesey, Steven J.",
	title = "The Oxford Calculatores, Quantification of Qualities, and Aristotle's Prohibition of Metabasis",
	journal = "Vivarium",
	volume = "24",
	number = "1",
	year = "1986",
	abstract = "",
	pages = "50-69",
	url = "http://www.ingentaconnect.com/content/brill/viv/1986/00000024/00000001/art00003",
	doi = "doi:10.1163/156853486X00031"
}