@book{41394,
	author = {Backer, David I.,},
	title = {The Gold and the Dross :},
	publisher = {Brill Sense,},
	year = {2019.},
	series = {Brill guides to scholarship in education,},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004394698}
}