@book{50506,
	author = {Holford-Strevens, Leofranc.},
	title = {A history of time /},
	publisher = {Oxford University Press,},
	year = {c2005.},
	series = {A very short introduction},
	address = {Oxford, England ;},
	url = {http://www.loc.gov/catdir/toc/ecip0517/2005019585.html}
}