“PHYSICO-CHEMICAL FEATURES OF WATERS AND BIOCOENOSIS OF A MEROMICTIC RESERVOIR IN THE YEARS 1981-1998 IN THE LEKNICA REGION (WESTERN POLAND)”. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 20, 2001): 106–115. Accessed March 11, 2026. https://archive-journals.rtu.lv/etr/article/view/3495.