@book{118111,
	author = {Steffora, Tracey.},
	title = {Sorting at the market},
	publisher = {Heinemann Library},
	year = {2011},
	series = {Math around us},
	address = {United States},
	note = {IB program. Uso restrito aos professores.},
	url = {00002e/00002eb9.jpg}
}