@book{128743,
	author = {Christian, David. and ebrary, Inc.},
	title = {Maps of time},
	publisher = {University of California Press,},
	year = {2011.},
	series = {The California world history library ;},
	address = {Bekeley :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10496862}
}