TANAKA, Y. Purification of river water through a bar sediment of riverbed. Journal of Nepal Geological Society, [S. l.], v. 22, p. 139–146, 2000. DOI: 10.3126/jngs.v22i0.32336. Disponível em: https://nepjol.info/index.php/JNGS/article/view/32336. Acesso em: 17 aug. 2024.