@booklet {27598,
	title = {Approaches to deal with the coypu (Myocastor coypus) in urban areas - an example of practice in southern Brandenburg, Germany},
	year = {2011},
	doi = {10.5073/jka.2011.432.015},
	url = {http://dx.doi.org/10.5073/jka.2011.432.015},
	author = {B. Walther and O. Fuelling and M. Lehmann}
}
@booklet {37,
	title = {Blaubandb{\"a}rbling {\textendash}- Wikipedia, Die freie Enzyklop{\"a}die},
	year = {2013},
	url = {http://de.wikipedia.org/w/index.php?title=Blaubandb\%C3\%A4rbling\&oldid=125504540},
	author = {Wikipedia}
}
@booklet {20,
	title = {Japanischer Staudenkn{\"o}terich {\textendash}- Wikipedia{,} Die freie Enzyklop{\"a}die},
	year = {2014},
	url = {http://de.wikipedia.org/w/index.php?title=Japanischer_Staudenkn\%C3\%B6terich\&oldid=131626138},
	author = {Wikipedia}
}
