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Industrial Research and Development Costs. Nature 181, 1638 (1958). https://doi.org/10.1038/1811638b0
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DOI: https://doi.org/10.1038/1811638b0
Nature volume 181, page 1638 (1958)
Industrial Research and Development Costs. Nature 181, 1638 (1958). https://doi.org/10.1038/1811638b0
Issue Date:
DOI: https://doi.org/10.1038/1811638b0