@book {23014,
	title = {Enumeratio Insectorum Norvegicorum. Fasc. IV. Catologum Dipterorum Continentum},
	volume = {8?},
	year = {1877},
	pages = {xiv+255, map},
	abstract = {Mycetophilidae pp. 210-250},
	author = {Siebke, H. and Schneider, J. and Sparre, J.}
}
@book {23253,
	title = {Diptera Neerlandica. De Tweevleugelige Insecten van Nederland},
	volume = {1},
	year = {1877},
	pages = {xviii + 497 pp},
	publisher = {Martinus Nijhoff},
	organization = {Martinus Nijhoff},
	address = {s{\textquoteright}Gravenhage},
	author = {Wulp, F. M. van der}
}
