@book {8531,
	title = {Fluctuations in numbers of neophytes, especially Impatiens glandulifera, in permanent plots in a west German flooodplain during},
	year = {2004},
	month = {2004///},
	pages = {13 - 13},
	publisher = {Berlin: Biological invasions: challenges for science. [available online at},
	organization = {Berlin: Biological invasions: challenges for science. [available online at},
	author = {G. Kasperek}
}
@article {8457,
	title = {Species of Cotoneaster (Rosaceae, Maloideae) indigenous to, naturalising or commonly cultivated in Central Europe},
	journal = {Willdenowia},
	volume = {40},
	year = {2010},
	month = {2010///},
	pages = {13 - 45},
	url = {http://user.uni-frankfurt.de/ kasperek/papers/dickore_kasperek_2010.pdf},
	author = {G. Kasperek}
}
@article {7667,
	title = {Kiwifruit (Actinidia deliciosa Liang \& Ferguson) occurring in the wild in western Germany},
	journal = {Flor. Rundbr},
	volume = {37},
	year = {2003},
	month = {2003///},
	pages = {11 - 18},
	author = {G. Kasperek}
}
