SHPYNOVA, N. V.; SARTAKOV, M. P.; KOMISSAROV, I. D.; GREKHOVA, I. V. Comparative characteristics of thermal stability of humic acids of sapropels of the middle ob region and south of OB-Irtysh Basin of Wstern Siberia. Amazonia Investiga, [S. l.], v. 7, n. 17, p. 79–84, 2018. Disponível em: https://amazoniainvestiga.info/index.php/amazonia/article/view/330. Acesso em: 3 jul. 2024.