Krumins J, Klavins M, Krukovskis R, Viksna A, Busa L. THE EVALUATION OF STABLE ISOTOPIC RATIOS 13C AND 15N IN HUMIC ACIDS ALONG A FEN PEAT PROFILE. ETR [Internet]. 2019 Jun. 20 [cited 2024 Dec. 22];1:123-6. Available from: https://journals23.rta.lv/index.php/ETR/article/view/4127