@inproceedings{sgem2026paper, title = {CHEMICAL LINE OF EVIDENCE FOR ECOLOGICAL RISK ASSESSMENT: HEAVY METAL FORMS AS INDICATORS FOR AN ADVISORY SYSTEM IN THE TOPOLNITSA RIVER BASIN}, author = {Mariana Hristova and Veselina Vasileva and Viktoriya Kancheva and Ana Katsarova and Nikolai Dinev}, booktitle = {SWS 2026 Conference Preprints}, year = {2026}, pages = {}, publisher = {STEF92 Technology}, doi = {} }