Gessmann, C., & Wood, B. (2002). Potassium in the Earth's core?
Chicago-čujuhus (17. p.)Gessmann, C., juo B. Wood. Potassium in the Earth's Core? 2002.
MLA-čujuhus (9. p.)Gessmann, C., juo B. Wood. Potassium in the Earth's Core? 2002.
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