@book {Nordenfalk1958,
	title = {Romanesque Painting from the Eleventh to the Thirteenth Century},
	year = {1958},
	publisher = {Skira},
	organization = {Skira},
	address = {Lausanne},
	author = {Nordenfalk, Carl and Grabar, Andr{\'e}}
}
@book {Grabar1928,
	title = {Recherches sur les influences orientales dans l{\textquoteright}art balkanique},
	series = {Publications de la Facult{\'e} des Lettres de l{\textquoteright}Universit{\'e} de Strasbourg},
	number = {43},
	year = {1928},
	publisher = {les Belles-Lettres},
	organization = {les Belles-Lettres},
	address = {Paris},
	author = {Grabar, Andr{\'e}}
}
