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Prof. Peter Pringsheim. Nature 189, 877 (1961). https://doi.org/10.1038/189877b0
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DOI: https://doi.org/10.1038/189877b0
Nature volume 189, page 877 (1961)
Prof. Peter Pringsheim. Nature 189, 877 (1961). https://doi.org/10.1038/189877b0
Issue Date:
DOI: https://doi.org/10.1038/189877b0