@article {8174,
	title = {Die Verbreitung von Amaranthus-Arten in der s{\"u}dlichen und mittleren Oberrheinebene sowie einigen angrenzenden Gebieten},
	journal = {Phytocoenologia},
	volume = {14},
	year = {1986},
	month = {1986///},
	pages = {289 - 379},
	author = {G. H{\"u}gin}
}
@article {8175,
	title = {Combining numerical and traditional approaches to classify Echinops sphaerocephalus invaded communities in the Czech Republik},
	journal = {Phytocoenologia},
	volume = {39},
	year = {2009},
	month = {2009///},
	pages = {253 - 264},
	author = {Pet{\v r}{\'\i}k, P. and Dost{\'a}lek, J. and Neuh{\"a}uslov{\'a}, Z.}
}
