KRUMINS, Janis; KLAVINS, Maris; KRUKOVSKIS, Raimonds; VIKSNA, Arturs; BUSA, Lauma. THE EVALUATION OF STABLE ISOTOPIC RATIOS 13C AND 15N IN HUMIC ACIDS ALONG A FEN PEAT PROFILE. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 123–126, 2019. DOI: 10.17770/etr2019vol1.4127. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/4127.. Acesso em: 3 may. 2024.