@article {99,
	title = {New material of Central Palaearctic Platycheirus (Diptera, Syrphidae) with description of three new species},
	journal = {Norwegian Journal of Entomology},
	volume = {56},
	year = {2009},
	pages = {1-8},
	author = {Barkalov, Anatolii V. and Nielsen, Tore R.}
}
