By Corrêa K.C.R.   Costa J.F.C.L.   Koppe J.C.   in International Journal of Surface Mining, Reclamation and Environment

ISSN:1389-5265|17|2|113-122

Taylor & Francis Ltd‎(2003)‎

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By Boezio M. N. M.   Costa J. F. C. L.   Koppe J. C.   in Applied Earth Science

ISSN:0371-7453|115|3|103-112

Maney Publishing‎(2006)‎

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By de Souza L. E.   Costa J. F. C. L.   Koppe J. C.   in Applied Earth Science

ISSN:0371-7453|119|3|166-175

Maney Publishing‎(2010)‎

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