1. J. R. Britton, G. D. Davies, M. Brazier, and A. C. Pinder , 2007 : A case study on the population ecology of a topmouth gudgeonPseudorasbora parvapopulation in the UK and the implications for native fish communities . (online first) Available at: http://www3.interscience.wiley.com/cgi-bin/fulltext/114025174/PDFSTART
2. K. D. Carlander , 1969 : Handbook of freshwater fishery biology . Vol. 1. The Iowa State University Press, Ames, IA. 752 pp.
3. Cube law, condition factor and weight-length relationships: history, meta-analysis and recommendations