@article {565,
	title = {Identification key of Siberian species (Orthoneura)},
	journal = {(Russian)},
	year = {1979},
	pages = {49-56},
	keywords = {Key to species, Orthoneura, Orthonevra, Palaearctic, Syrphidae},
	author = {Violovitsh, N.A.}
}
