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Field Studies Council : Courses for 1962. Nature 192, 1132 (1961). https://doi.org/10.1038/1921132b0
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DOI: https://doi.org/10.1038/1921132b0
Nature volume 192, page 1132 (1961)
Field Studies Council : Courses for 1962. Nature 192, 1132 (1961). https://doi.org/10.1038/1921132b0
Issue Date:
DOI: https://doi.org/10.1038/1921132b0