@article {22224,
	title = {The Mycetophilidae of North America. Part IV},
	journal = {Bulletin of the Maine Agricultural Experiment Station, Orono},
	volume = {200},
	year = {1912},
	pages = {57-146},
	url = {http://www.online-keys.net/sciaroidea/add01/Johannsen_1912_Mycetophilidae_North_America_Part_IV.pdf},
	author = {Johannsen, O. A.}
}
