Fresenius, C. R. (1859). A system of instruction in qualitative chemical analysis (5th ed.). J. Churchill.
Citace podle Chicago (17th ed.)Fresenius, C. Remigius. A System of Instruction in Qualitative Chemical Analysis. 5th ed. London: J. Churchill, 1859.
Citace podle MLA (8th ed.)Fresenius, C. Remigius. A System of Instruction in Qualitative Chemical Analysis. 5th ed. J. Churchill, 1859.
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