Lipták, B., Mrugała, A., Pekárik, L., Mutkovič, A., Gruľa, D., Petrusek, A. and Kouba, A. (2016) “Expansion of the marbled crayfish in Slovakia: beginning of an invasion in the Danube catchment?”, Journal of Limnology, 75(2). doi: 10.4081/jlimnol.2016.1313.