@book{36507,
	author = {Grossman, Heather E.},
	title = {Mechanisms of exchange :},
	publisher = {Brill,},
	year = {2013.},
	address = {Leiden ;},
	note = {"Special offprint of Medieval encounters, volume 18, 4/5 (2012)"--Cover.},
	url = {http://dx.doi.org/10.1163/9789004250345}
}