@book{244389,
	author = {Theophrastus. and Gutas, Dimitri. and ebrary, Inc.},
	title = {Theophrastus On first principles},
	publisher = {Brill,},
	year = {2010.},
	series = {Philosophia antiqua,},
	address = {Leiden [Netherlands] ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10439153}
}