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    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 984-984 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The system has another interesting property2 : that (2 1) cards can be sorted into perfect serial order by only AT" successive operations of one needle. Thus if there are up to 1,023 cards, the code will consist of ten holes, denoted 1, 2, 4 ... 512. To sort the cards, one inserts a needle in the ...
    Type of Medium: Electronic Resource
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