@article {18985,
	title = {On ecological and geographical races in the family Gramineae grasses and their taxonomic rank},
	journal = {Botanicheskii Zhurnal. Moscow \& Leningrad [St. Petersburg]Botanicheskii Zhurnal. Moscow \& Leningrad [St. Petersburg]},
	volume = {51},
	number = {8},
	year = {1966},
	pages = {1099-1108},
	author = {Tzvelev, N.N.}
}
