Radioactivity distribution in some Permian sediments from the Iratí and Corumbataí Formations of the Paraná Basin,

Dionísio Uendro Carlos1, Fernando Brenha Ribeiro, Antonio Roberto Saad

  • 1Instituto de Astronomia, Geofísica e Ciências Atmosféricas da Universidade de São Paulo, Departamento de Geofísica. Rua do Matão 1226, Butantã, 05508-090, São Paulo, SP, Brazil.

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