@article {58590,
	title = {Non-native Gobiid species in the lower River Rhine (Germany): recent range extensions and densities},
	journal = {Journal of Applied Ichthyology},
	volume = {27},
	year = {2011},
	chapter = {153},
	author = {J. Borcherding and P. Jurajda and L. Slapansky and M. Ondrackova and S. Kr{\"u}ger and S. Staas}
}
