@article{, address = {}, author = {Carile, Antonio}, journal = {Porphyra}, keywords = {Ravenna; Carile, Antonio (1940-)}, pages = {5-11}, title={Ravenna e Costantinopoli}, uniqueid = {2101622}, url = {http://opac.regesta-imperii.de/id/2101622}, year = {2006} }