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  • Electronic Resource  (4)
  • 1945-1949  (3)
  • 1915-1919  (1)
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  • Electronic Resource  (4)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    PLANT FOOD DEFICIENCIES OF COASTAL PLAIN AND PIEDMONT SOILS (1916)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 8 (1916), S. 823-824 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/i500009a019
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Index of Diversity as Applied to Ecological Problems (1945)
    [s.l.] : Nature Publishing Group
    Nature 155 (1945), S. 390-391 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE read with interest Mr. Jones's letter on the results of the application of the logarithmic series and the index of diversity to his quadrat observations. I completely agree with him that the theoretical basis requires further study; as also does the field application to both animals and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/155390b0
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Yule's ‘Characteristic’ and the ‘Index of Diversity’ (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 482-482 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE have recently been two attempts to study the problem of random sampling from a mixed population in which all the constituent groups are not equally abundant. R. A. Fisher1 studied the problem of random samples of a population of insects in which the species were not equally ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157482a0
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Climate and Insect Life (1946)
    [s.l.] : Nature Publishing Group
    Nature 157 (1946), S. 214-215 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE problem of the relation of insect life to X climate and weather conditions has always attracted naturalists, both from its scientific and its practical importance; but most of the early work was qualitative rather than quantitative and, owing to the complexity of the problem, little real ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/157214a0
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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