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Contributions from JIBP-PT, No. 119.
An erratum to this article is available at http://dx.doi.org/10.1007/BF02530774.
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Morisita, M. Composition of theIδ-index. Res Popul Ecol 13, 1–27 (1971). https://doi.org/10.1007/BF02522010
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DOI: https://doi.org/10.1007/BF02522010