Tretjakova R, Paidere J, Brakovska A. ASSESSMENT BY MACROINVERTEBRATES OF THE ECOLOGICAL QUALITY OF SHALLOW LAKE WITH RICH SAPROPEL SEDIMENTS. ETR [Internet]. 2023 Jun. 13 [cited 2024 Nov. 23];1:228-34. Available from: https://journals.ru.lv/index.php/ETR/article/view/7315