PHYSICO-CHEMICAL FEATURES OF WATERS AND BIOCOENOSIS OF A MEROMICTIC RESERVOIR IN THE YEARS 1981-1998 IN THE LEKNICA REGION (WESTERN POLAND). ETR [Internet]. 2001 Jun. 20 [cited 2026 Mar. 11];1:106-15. Available from: https://archive-journals.rtu.lv/etr/article/view/3495