%0 Journal Article %T Manuscript Information Distribution of Uranium, Thorium and Potassium in the Upper Maca¨¦ Formation, Campos Basin, Brazil: Estimates Based on Natural Gamma Ray Logs Authors Abstract Keywords Reference %A Eara de Souza Luz Oliveira %A Valiya M. Hamza %J - %D 2015 %U http://www.aascit.org/journal/archive2?journalId=899&paperId=1952