@article {2444,
	title = {Neue pal{\"a}arktische Cheilosia-Arten (Diptera: Syrphidae)},
	journal = {Beitrage zur Entomologie},
	volume = {13},
	year = {1963},
	pages = {513-522},
	author = {Stackelberg, A.A.}
}
