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Ciliates in Sludge. Nature 223, 442 (1969). https://doi.org/10.1038/223442b0
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DOI: https://doi.org/10.1038/223442b0
Nature volume 223, page 442 (1969)
Ciliates in Sludge. Nature 223, 442 (1969). https://doi.org/10.1038/223442b0
Issue Date:
DOI: https://doi.org/10.1038/223442b0