@article {Eckert1986,
	title = {Zur figura etymologica im Altbulgarischen},
	journal = {Palaeobulgarica / Старобългаристика},
	volume = {10},
	year = {1986},
	pages = {40{\textendash}48},
	author = {Eckert, Rainer and Kiril Kostov}
}
