@book{637,
	author = {Clausius, Claudia. and ebrary, Inc.},
	title = {Origins and futures},
	publisher = {Brill,},
	year = {2013.},
	series = {The study of time,},
	address = {Leiden :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10713676}
}