@book {Philippides\&Walter2011,
	title = {The Siege and the Fall of Constantinople in 1453: Historiography, Topography, and Military Studies},
	year = {2011},
	publisher = {Ashgate Publishing},
	organization = {Ashgate Publishing},
	address = {Farham, UK, and Burlington, US},
	author = {Philippides, Marios and Hanak, Walter K.}
}
