@book{34962,
	author = {Wills, Graham. and SpringerLink (Online service)},
	title = {Visualizing Time},
	publisher = {Springer New York :},
	year = {2012.},
	series = {Statistics and Computing,},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/978-0-387-77907-2}
}