LOAYZA, M.; CABREJOS, J. B.; NAVARRO, F. R.; ARCONDO, R. Structural characterization of iron oxides and hydroxides in the clay fraction of soils from the Inca civilization Moray terraces. Journal of Metals, Materials and Minerals, Bangkok, Thailand, v. 24, n. 2, 2014. Disponível em: http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/122. Acesso em: 1 dec. 2021.