Morphology, sexual dimorphism and size at maturation in topmouth gudgeon (Pseudorasbora parva) from the heated Lake Licheńskie (Poland)E. Záhorská, M. Balážová and M. ŠúrováKnowl. Managt. Aquatic Ecosyst., 411 (2013) 07DOI: https://doi.org/10.1051/kmae/2013074