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Browsing by Subject "Sand layer"

Browsing by Subject "Sand layer"

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  • Negrea, Adina; Muntean, Cornelia; Ciopec, Elvira-Mihaela; Lupa, Lavinia Afrodita; Negrea, Petru (Timişoara: Editura Politehnica, 2009)
    Scientists found excessive arsenic concentrations is several underground waters in the world. In these areas, hundreds of thousands of people presented serious intoxications due to this element. Billions of people, especially ...