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  • 1
    Electronic Resource
    Electronic Resource
    Limits on the nucleus of Halley's Comet (1982)
    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 249-251 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the 1981-82 observing season we have been able to place the following limit on the total brightness of Comet Halley in the photometric V band. Assuming that the nucleus has a stellar-like appearance we find V〉24.3 (1) This limit is based on observations at the Kitt Peak National ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/298249a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Nature of blue galaxies in the cluster C11447 + 2619 (1984)
    [s.l.] : Nature Publishing Group
    Nature 310 (1984), S. 31-33 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have discussed elsewhere3 broad-band photometric data on 33 nearby and distant (to z = 0.54) clusters of galaxies and the nearby field. That sample was chosen from the literature to include as many large redshift clusters as were known to be very rich and to have at least one redshift ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/310031a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Galactic chronology of thorium/neodymium (1987)
    [s.l.] : Nature Publishing Group
    Nature 330 (1987), S. 704-704 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BUTCHER REPLIES - Noerdlinger brings to our attention one of several plausible mechanisms for reducing the maximum ages of stars as deduced from stellar evolution calculations. This idea has not yet been tested against the helioseismological data which are not available, so it is hard to see that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/330704c0
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  • 4
    Electronic Resource
    Electronic Resource
    Galactic chronology of thorium/neodymium (1987)
    [s.l.] : Nature Publishing Group
    Nature 330 (1987), S. 704-704 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BUTCHER REPLIES - Professor Fowler's enthusiasm for my result is gratifying, especially so because I was once a student of his. Let me emphasize, however, that the correct treatment of s- and r-process abundances in models for the chemical evolution of the Galaxy is very uncertain. What seems to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/330704a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Th/Nd abundance ratio in the surfaces of G-dwarfs (1987)
    [s.l.] : Nature Publishing Group
    Nature 329 (1987), S. 398-398 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BUTCHER REPLIES-As Dr Clayton points out, a judicious choice of ^-process abundance evolution over time in the Galaxy can reproduce my data while retaining a large maximum age. In this case, however, one predicts that the ratio of r- to 5-process abundances for stable elements will vary in a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/329398a0
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  • 6
    Electronic Resource
    Electronic Resource
    Invited commentary (1986)
    Springer
    World journal of surgery 10 (1986), S. 842-843 
    Details
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01655255
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