@article {Atanasova1983, title = {De l{\textquoteright}utilisation des filigranes comme {\'e}l{\'e}ment de datation dans les catalogues bulgares de manuscrits slaves}, journal = {Palaeobulgarica / Старобългаристика}, volume = {7}, year = {1983}, pages = {59{\textendash}65}, author = {Atanasova, Nina} }