@book{51541,
	author = {Hofffmann, Tobias.},
	title = {A companion to angels in medieval philosophy},
	publisher = {Brill,},
	year = {2012.},
	series = {Brill's Companions to the Christian Tradition ;},
	address = {Leiden ;},
	url = {http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=477008}
}