1. Acs, E., Borsodi, A. K., Kiss, E., Kiss, K. T., Szabo, K. E., Vladar, P., Varbiro, G., & Zaray, G. (2008). Comparative algological and bacteriological examinations on biofilms developed on different substrata in a shallow soda lake. Aquatic Ecology, 42, 521–531.
2. Antić, N., Radišić, M., Radović, T., Vasiljević, T., Grujić, S., Petković, A., Dimkić, M., & Laušević, M. (2014). Pesticide residues in the Danube river basin in Serbia—a survey during 2009–2011. Clean-Soil, Air, Water. doi: 10.1002/clen.201200360 .
3. Araya, R., Tani, K., Takagi, T., Yamaguchi, N., & Nasu, M. (2003). Bacterial activity and community composition in stream water and biofilm from an urban river determined by fluorescent in situ hybridization and DGGE analysis. FEMS Microbiology Ecology, 43, 111–119.
4. Bérard, A. (1996). Effect of four organic solvents on natural phytoplankton assemblages: consequences for ecotoxicological experiments on herbicides. Bulletin of Environmental Contamination and Toxicology, 57, 183–190.
5. Biggs, B. J. F. (1996). Patterns in benthic algae of stream. In R. J. Stevenson, M. L. Bothwell, & R. L. Lowe (Eds.), Algal ecology—freshwater benthic ecosystem (pp. 31–56). San Diego: Academic.