@article {33998,
	title = {New mayflies (Insecta: Ephemerida = Ephemeroptera) from the Upper Permian locality of Isady, Northern European Russia},
	journal = {Paleontological Journal},
	volume = {47},
	year = {2013},
	month = {2013},
	pages = {162-165},
	author = {Nina D. Sinitshenkova}
}
