Teirumnieks E, Teirumnieka Ērika, Kangro I, Kalis H. THE MATHEMATICAL MODELING OF METALS CONTENT IN PEAT. ETR [Internet]. 2015 Aug. 3 [cited 2024 May 11];1:249-57. Available from: https://journals.ru.lv/index.php/ETR/article/view/1119