@book {43855,
	title = {Zoologicarum praesertim in faunam Hamburgensem observationum. Pugillus primus},
	year = {1822},
	pages = {55 pp.},
	address = {Hamburgi},
	url = {http://www.online-keys.net/sciaroidea/add01/Lehmann_1822_Leia.pdf},
	author = {Lehmann, J. G. C.}
}
@book {22590,
	title = {Systematische Beschreibung der bekannten europaischen zweiflugeligen Insekten. Dritter Theil},
	year = {1822},
	pages = {x + 416 pp.},
	publisher = {Schulz-Wundermann},
	organization = {Schulz-Wundermann},
	address = {Hammburg?},
	url = {https://www.biodiversitylibrary.org/item/49298$\#$page/7/mode/1up},
	author = {Meigen, Johann Wilhelm}
}
