Kolesnikov SI, Moshchenko DI, Kuzina AA, Kazeev KS, Akimenko YV. Development of Regional Maximum Permissible Concentrations of Oil, Lead, Chromium, Nickel, and Copper in the Ordinary Black Soils of Central Ciscaucasia. AmazInv [Internet]. 21 de noviembre de 2019 [citado 18 de noviembre de 2025];8(24):38-44. Disponible en: https://amazoniainvestiga.info/index.php/amazonia/article/view/948