@book{247126,
	author = {Keedwell, A. D., and D�enes, J.},
	title = {Latin squares and their applications / },
	publisher = {Elsevier,},
	year = {2015.},
	address = {Amsterdam :},
	edition = {2nd ed.},
	url = {http://www.sciencedirect.com/science/book/9780444635556}
}