@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 {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 {23030,
	title = {Annual report of the New Jersey State Museum including a report of the insects of New Jersey},
	year = {1910},
	pages = {888},
	author = {Smith, John B.}
}
