@article {27758,
	title = {The Ufimian stage of the East European scale: status, validity, and correlation potential.},
	journal = {Stratigraphy and Geological Correlation},
	volume = {17},
	number = {6},
	year = {2009},
	month = {2009},
	pages = {602-614},
	keywords = {REPRINT},
	author = {Lozovsky, V.R and Minikh, M.G and Grunt, T.A and Kukhtinov, D.A and Alexandr G. Ponomarenko and Sukacheva, I.D}
}
