@book {49350,
	title = {Diptera scandinaviae, disposita et descripta},
	volume = {12},
	year = {1855},
	pages = {xx + 4547-4942},
	address = {Lundae},
	author = {Zetterstedt, Johann Vilhelm}
}
@inbook {49347,
	title = {Dipterologia Scandinaviae, Sectio Tertia [Section 3] Diptera.},
	booktitle = {Insecta Lapponica},
	year = {1838},
	pages = {477-868},
	address = {Leipzig},
	author = {Zetterstedt, Johann Vilhelm}
}
@book {23327,
	title = {Diptera Scandinaviae, disposita et descripta},
	volume = {10},
	year = {1851},
	pages = {3711-4090},
	address = {Lundae},
	author = {Zetterstedt, Johann Vilhelm}
}
