@article {Keipert1996,
	title = {A. Cr. Vostokov, die deutsche Slavenkunde und das Altbulgarische},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {20},
	year = {1996},
	pages = {99{\textendash}114},
	author = {Keipert, Helmut}
}
