1. Appleby, P. G., & Oldfield, F. (1992). Application of lead-210 to sedimentation studies. Uranium-series disequilibrium applications to earth, marine and environmental sciences pp. 731–778. Oxford: Clarendon.
2. Baciu, C. (2002). Issues concerning the Tisza basin in Romania. Budapest: Twining of River Basins Tisza-Scheldt.
3. Baeyens, W., Meuleman, C., Muhaya, B., & Leermakers, M. (1998). Behaviour and speciation of mercury in the Scheldt estuary (water, sediments and benthic organisms). Hydrobiologia, 366, 63–79. doi: 10.1023/A:1003124310848 .
4. Braun, M., Toth, A., Alapi, K., Devai, G., Lakatos, G., Posta, J., et al. (2000). Environmental history of oxbow ponds: A sediment geochemical study of Marot-Zugi-Holt-Tisza, NE Hungary. Ecology of River Valleys. TISCIA monograph series. Szeged., 133–138.
5. Catallo, W. J., Schlenker, M., Gambrell, R. P., & Shane, B. S. (1995). Toxic-chemicals and trace-metals from urban and rural louisiana lakes—recent historical profiles and toxicological significance. Environmental Science & Technology, 29(6), 1436–1445. doi: 10.1021/es00006a003 .