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New Hope for Planning. Nature 217, 597–598 (1968). https://doi.org/10.1038/217597b0
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DOI: https://doi.org/10.1038/217597b0
Nature volume 217, pages 597–598 (1968)
New Hope for Planning. Nature 217, 597–598 (1968). https://doi.org/10.1038/217597b0
Issue Date:
DOI: https://doi.org/10.1038/217597b0