@book {49353,
	title = {Svenska insekter: en orienterande handbok vid studiet av v{\r a}rt lands insektfauna},
	year = {1922},
	pages = {812},
	publisher = {Norstedt},
	organization = {Norstedt},
	address = {Stockholm},
	author = {Tullgren, A and Wahlgren, Einar}
}
@book {49351,
	title = { Diptera scandinaviae disposita et descripta. (part.)},
	volume = {14},
	year = {1860},
	pages = {6191-6609},
	address = {Lundae},
	author = {Zetterstedt, Johann Vilhelm}
}
@book {49350,
	title = {Diptera scandinaviae, disposita et descripta},
	volume = {12},
	year = {1855},
	pages = {xx + 4547-4942},
	address = {Lundae},
	author = {Zetterstedt, Johann Vilhelm}
}
@book {49349,
	title = {Diptera scandinaviae, disposita et descripta},
	volume = {11},
	year = {1852},
	pages = {xii + 4091-4545},
	address = {Lundae},
	author = {Zetterstedt, Johann Vilhelm}
}
@book {48136,
	title = {Insecta Britanica, Diptera. Vol. III},
	year = {1856},
	month = {31/03/1856},
	pages = {xxiv+351 p.},
	publisher = {Lovell Reeve},
	organization = {Lovell Reeve},
	address = {London},
	url = {http://www.biodiversitylibrary.org/item/73637},
	author = {Walker, Francis}
}
@book {23817,
	title = {Mycetophilidae},
	series = {Diptera of Patagonia and South Chile},
	volume = {3},
	year = {1951},
	pages = {1-138},
	publisher = {British Museum},
	organization = {British Museum},
	author = {Freeman, P.}
}
@book {23174,
	title = {List of the specimens of Dipterous insects in the collection of the British Museum},
	volume = {1},
	year = {1848},
	pages = {229},
	publisher = {British Museum},
	organization = {British Museum},
	address = {London},
	abstract = {<p>Ditomyia boleti Kaltenbach: unknown name</p>
},
	author = {Walker, Francis}
}
