Algebraic and graphic methods for evaluating discordant lead-isotope ages - Stieff, L. R.; Stern, T. W.; Eicher, R. N. (Washington : United States Government Printing Office, 1963)
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Keywords: izotopová geologie; olovo; grafické metody; výpočetní metody; isotop geology; lead; graphical methods; computational methods; studie; studies