@article {Gjuzelev2003, title = {Bulgaren und Deutsche im Zeitalter der Ottonen (919{\textendash}1024)}, journal = {Palaeobulgarica / Старобългаристика}, volume = {27}, year = {2003}, pages = {3{\textendash}10}, author = {Gjuzelev, Vassil} } @article {Gjuzelev1993, title = {Marin Drinov (1838{\textendash}1906) {\textendash} Begr{\"u}nder de bulgarischen Slawistik und Medi{\"a}vistik}, journal = {Palaeobulgarica / Старобългаристика}, volume = {17}, year = {1993}, pages = {107{\textendash}126}, author = {Gjuzelev, Vassil} }