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Control Engineering: Gravity Defied. Nature 223, 1301–1302 (1969). https://doi.org/10.1038/2231301b0
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DOI: https://doi.org/10.1038/2231301b0
Nature volume 223, pages 1301–1302 (1969)
Control Engineering: Gravity Defied. Nature 223, 1301–1302 (1969). https://doi.org/10.1038/2231301b0
Issue Date:
DOI: https://doi.org/10.1038/2231301b0