The use of steroid markers to assess sewage contamination of the Black Sea
Molecular markers, Sewage, Sediment, Black Sea, Coprostanol, Faecal steroids, Water Pollutants - analysis, Environmental Monitoring, Feces - chemistry, Asia, Europe, Geologic Sediments - chemistry, Water Supply, Steroids - analysis, Deltas, Nuclear energy, Rock cycle, Sediments (Geology)