@book {4649, title = {Catalogue des monnaies byzantines de la Biblioth{\`e}que nationale. 2, De Philippicus {\`a} Alexis III (711-1204)}, year = {1970}, publisher = {Biblioth{\`e}que nationale}, organization = {Biblioth{\`e}que nationale}, address = {Paris}, url = {http://catalogue.bnf.fr/ark:/12148/cb351195469}, author = {C{\'e}cile Morrisson and Biblioth{\`e}que nationale (France). D{\'e}partement des monnaies, m{\'e}dailles et antiques} }