Comin, P., P. Censi, A. Cundari, and C. B. Gomes. “A SILICO-BEFORSITIC FLOW FROM THE SAPUCAI COMPLEX (CENTRAL-EASTERN PARAGUAY)”. Geochimica Brasiliensis, vol. 6, no. 1, Dec. 2011, https://geobrasiliensis.org.br/geobrasiliensis/article/view/48.