@book{49609,
	author = {Chvála, M.,},
	title = {The Empidoidea (Diptera) of Fennoscandia and Denmark, Part IV :},
	publisher = {BRILL,},
	year = {2005.},
	series = {Fauna Entomologica Scandinavica ;},
	address = {Leiden; },
	url = {http://dx.doi.org/10.1163/9789047416838}
}