@book{92797,
	author = {Hayward, Ryan B., and Toft, Bjarne,},
	title = {Hex, inside and out :},
	publisher = {CRC Press,},
	year = {[2019]},
	address = {Boca Raton, Florida :},
	url = {https://www.taylorfrancis.com/books/9780429031960}
}