@article {Filipova1981,
	title = {Ein internationales Treffen der Historiker in Pamporovo},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {V},
	year = {1981},
	pages = {124{\textendash}126.},
	author = {Filipova, Galina and Kabak{\v c}iev, Jurij}
}
@article {Nikolova1979,
	title = {Premi{\`e}re conf{\'e}rence complexe d{\textquoteright}{\'e}tudes bulgares},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {3},
	year = {1979},
	pages = {51{\textendash}64},
	author = {Nikolova, Svetlina and Kabak{\v c}iev, Jurij and Atanasov, Atanas}
}
