1. APHA, AWWA, WPCF (1990) Standard Methods for the Examination of Water and Wastewater, 18th ed. Copyright by American Public Health Association, Washington DC
2. Bakan, G. et al. (1996) Evaluation of the Black Sea Land-Based Sources Inventory Results of the Coastal Region of Turkey, In Proceedings of the International Workshop on MED and Black Sea ICZM, 2–5 November, Sarýgerme, Turkey
3. Balkas, T. et al. (1990) State of the Marine Environment in the Black Sea Region. UNEP Regional Sea Reports and Studies No. 124, UNEP, 41 pp
4. BSEP (1994) Saving the Black Sea. Official Newsletter of the GEF, Black Sea Environmental Programme, Issue 1
5. Delft Hydraulics Laboratory (1996) Integrated Water Resources Management Azov Sea