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GREIG, J. Supply and Demand. Nature 181, 321–322 (1958). https://doi.org/10.1038/181321a0
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DOI: https://doi.org/10.1038/181321a0
Nature volume 181, pages 321–322 (1958)
GREIG, J. Supply and Demand. Nature 181, 321–322 (1958). https://doi.org/10.1038/181321a0
Issue Date:
DOI: https://doi.org/10.1038/181321a0