J. L. de C. Borges, A. C. M. Moura, P. L. De Paula, e P. B. Casagrande, “BIG-DATA TO SUPPORT THE STUDY OF THE ENVIRONMENTAL DISASTER IN MARIANA, MG: FROM VGI TO SOCIAL MEDIA GEOGRAPHIC INFORMATION”, Rev. Bras. Cartogr., vol. 69, nº 8, ago. 2018.