@book{34549,
	author = {Soifer, Alexander. and SpringerLink (Online service)},
	title = {The Mathematical Coloring Book},
	publisher = {Springer New York,},
	year = {2009.},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/978-0-387-74642-5}
}