@book{41580,
	author = {Marcus, I.G.,},
	title = {Piety and Society :},
	publisher = {BRILL,},
	year = {1981.},
	series = {Études sur le judaïsme médiéval ;},
	address = {Leiden; },
	url = {http://dx.doi.org/10.1163/9789004497818}
}