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Pay as you go. Nature 287, 184 (1980). https://doi.org/10.1038/287184a0
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DOI: https://doi.org/10.1038/287184a0
Nature volume 287, page 184 (1980)
Pay as you go. Nature 287, 184 (1980). https://doi.org/10.1038/287184a0
Issue Date:
DOI: https://doi.org/10.1038/287184a0