The solution to a jigsaw puzzle

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The Institute of Palaeontology, Uppsala Unviersity, Box 558, S-75122, Uppsala, Sweden
Stefan Bengtson

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Stefan Bengtson
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Bengtson, S. The solution to a jigsaw puzzle. Nature 345, 765–766 (1990). https://doi.org/10.1038/345765a0

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