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    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 143 (1939), S. 477-477 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN announcing in 1932l that the reproduction of a mammal (Microtus) could be controlled by the duration of artificial illumination, R. M. Ranson and I published a statement that lights were used in poultry-houses in Spain more than a century ago for the purpose of increasing ...
    Type of Medium: Electronic Resource
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