@book{34623,
	author = {Freitas, Elizabeth. and Nolan, Kathleen. and SpringerLink (Online service)},
	title = {Opening the Research Text},
	publisher = {Springer US,},
	year = {2008.},
	series = {Mathematics Education Library ;},
	address = {Boston, MA :},
	url = {http://dx.doi.org/10.1007/978-0-387-75464-2}
}