Origin of mineralized water in Precambrian rocks of the Upper Paraiba Basin, Paraiba, Brazil - Schoff, Stuart Leeson; United States. Department of the Interior (Washington, U.S. Govt. Print. Off., 1972)
"Prepared in cooperation with the Superintendencia do Desenvolvimento do Nordeste of Brazil under the auspices of the U.S. Agency for International Development
Keywords: Groundwater -- Brazil -- Paraiba (State); Geology, Stratigraphic -- Precambrian; Geology -- Brazil -- Paraiba (State)