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Rich, V. Polish students sit in at universities. Nature 289, 433–434 (1981). https://doi.org/10.1038/289433b0
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DOI: https://doi.org/10.1038/289433b0
Nature volume 289, pages 433–434 (1981)
Rich, V. Polish students sit in at universities. Nature 289, 433–434 (1981). https://doi.org/10.1038/289433b0
Issue Date:
DOI: https://doi.org/10.1038/289433b0