@book {1790,
	title = {Diptera Scandinavi{\ae} disposita et descripta},
	series = {Diptera Scandinavi{\ae} disposita et descripta},
	volume = {2},
	year = {1843},
	pages = {441-894},
	publisher = {Officina Lundbergiana},
	organization = {Officina Lundbergiana},
	address = {Lundae [=Lund]},
	url = {http://www.biodiversitylibrary.org/bibliography/8143},
	author = {Zetterstedt, J. W.}
}
@article {2929,
	title = {Bemerkungen uber die bekannten europaischen Arten der Gattung Chrysogaster Meig},
	journal = {Entomologische Zeitung},
	year = {1843},
	pages = {4(7), 204-212; (8), 240-255; (9), 258-281},
	keywords = {Chrysogaster, Chrysogaster hirtella Loew},
	url = {http://www.biodiversitylibrary.org/item/107901},
	author = {Loew, H.}
}
