@book{17939,
	author = {Ciggaar, K.N.},
	title = {Western Travellers to Constantinople :},
	publisher = {BRILL,},
	year = {1996.},
	series = {Brill Book Archive Part 1, ISBN: 9789004472495},
	address = {Leiden; },
	url = {http://dx.doi.org/10.1163/9789004478053}
}