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When seven's a crowd

Nature volume 343, pages 120–121 (1990)Cite this article

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Authors and Affiliations

  1. the Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts, 02138, USA

    Charles Bailyn & Michael Garcia

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  1. Charles Bailyn
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  2. Michael Garcia
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Bailyn, C., Garcia, M. When seven's a crowd. Nature 343, 120–121 (1990). https://doi.org/10.1038/343120a0

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