Andjus, S., N. Nikolic, V. Dobricic, A. Marjanovic, Z. Gacic, G. Brankovic, M. Rakovic, and M. Paunovic. “Contribution to the Knowledge on the Distribution of Freshwater Sponges – the Danube and Sava Rivers Case Study”. Journal of Limnology, vol. 77, no. 2, Dec. 2017, doi:10.4081/jlimnol.2017.1677.