@article {Atanasova1985, title = {Observations filigranologiques sur les manuscrits bulgares du {XIVe} si{\`e}cle de la collection de la Biblioth{\`e}que nationale {{\quotedblbase}Cirille} et M{\'e}thode{\textquotedblleft}}, journal = {Palaeobulgarica / Старобългаристика}, volume = {9}, year = {1985}, pages = {71{\textendash}103}, author = {Atanasova, Nina} }