LUVSANDAGVA, P.; OYUNTSETSEG, D. Research on measurements of 2nd class leveling. Mongolian Geoscientist, [S. l.], n. 48, p. 40–48, 2019. DOI: 10.5564/mgs.v0i48.1147. Disponível em: https://mongoliajol.info/index.php/MGS/article/view/1147. Acesso em: 22 jul. 2024.