@book {16188,
	title = {Ledeb.Fl.Alt.},
	volume = {1},
	year = {1829},
	author = {Bunge}
}
@book {14347,
	title = {Acta Instituti Botanici Academiae Scientiarum Slovacae},
	volume = {1},
	year = {1936},
	author = {O.Muravjeva}
}
