@book{529290,
	author = {Fröhlich, Gerd},
	title = {Gallmücken-Schädlinge unserer Kulturpflanzen / },
	publisher = {A. Ziemsen Verlag, },
	year = {1960.},
	address = {[Leipzig] : },
	url = {http://d-nb.info/451389085/04}
}