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  • Articles  (47,465)
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  • 1955-1959  (47,465)
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  • 1958  (18,254)
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  • 1955  (13,983)
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  • Articles  (47,465)
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  • 2020-2024
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  • 1955-1959  (47,465)
  • 1950-1954
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  • 1
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    Unknown
    Supplements to Menard & Shipek 1958 (1958)
    Nature Publishing Group
    In:  EPIC3London, United Kingdom, Nature Publishing Group
    Details
    Publication Date: 2016-01-19
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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    Format: application/pdf
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    PAPER (OA)
  • 2
    Electronic Resource
    Electronic Resource
    AERIAL PHOTOGRAPHY AND PROPER LAND UTILISATION (1955)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 1 (1955), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1955.tb01034.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    THE CHATHAM-DUNKIRK ROAD AERIAL TRIANGULATION (1955)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 1 (1955), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1955.tb01038.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    SOME FACTORS AFFECTING THE PHYSICAL QUALITY OF THE IMAGE IN AIR PHOTOGRAPHS (1955)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 1 (1955), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1955.tb01035.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    ERRATA (1955)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 1 (1955), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1955.tb01042.x
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  • 6
    Electronic Resource
    Electronic Resource
    CORRESPONDENCE (1955)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 1 (1955), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1955.tb01027.x
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  • 7
    Electronic Resource
    Electronic Resource
    CORRESPONDENCE (1955)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 1 (1955), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1955.tb01028.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Genetic Studies of the Pyridoxine Mutant in Variety Two of Tetrahymena pyriformis (1958)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 5 (1958), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. When two strains cf T. pyriformis that do not require exogenous pyridoxine are crossed, all progeny grow without the vitamin. Offspring from crosses of two pyridoxine requiring clones require pyridoxine with the exception of a few which will grow without pyridoxine. The ratio is approximately 3:1 favoring the pyridoxine requiring category. In matings involving the homozygous dominant pyridoxine requiring clones with the double recessive mutant, that is +/+ X p/p, all of the resulting progeny need pyridoxine. Test crossing these heterozygotes (+/p) with the parental pyridoxine non-requiring clones (p/p) gives offspring approximating a 1:1 ratio. Matings between two heterozygotes derived from breeding experiments also yield progeny in approximately 3 pyridoxine requiring: 1 pyridoxine non-requiring. All data indicate selection for the heterozygote in the population and a possible selection against either homozygote. The great abundance of heterozygotes and rarity of recessive homozygotes in natural habitats corroborates these findings. The genetic evidence supports a single gene hypothesis although the possibility of multiple closely linked genes cannot be ignored. There is also the possibility that a dominant suppressor gene may function in blocking the activity of the pyridoxine mutant genes. Moreover, if this gene exists it may be incompletely dominant since the heterozygote grows slightly on deficient media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1958.tb02559.x
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  • 9
    Electronic Resource
    Electronic Resource
    A Contribution to the Systematics and Morphology of Endoparasitic Trichodinids from Amphibians, with a Proposal of Uniform Specific Characteristics (1958)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 5 (1958), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Trichodina urinicola was found in newts, Triturus cristatus and T. taeniatus, in three localities in Czechoslovakia. The ciliate populations showed important differences on the basis of which they were separated as three new forms of this species: T. urinicola f. typica, T. urinicola f. bohemica, both from Triturus cristatus, and T. urinicola f. taeniatus from Triturus taeniatus. The great variability of trichodinids is evident from the literature as well as from our own observations, so that these new forms are to be regarded as provisional ones until it is possible to decide on the basis of a large number of observations the extent of specificity and variation of individual endozoic species of Trichodina. A detailed description of these forms is given as well as a comparison with the known species of trichodinids inhabiting the urinary tract of amphibians. A brief comment on the present taxonomy of the Urceolaridae in general is outlined.The need for a uniform description of these ciliates is emphasized; in connection with this, the taxonomic value of individual body characters is discussed. Special attention is paid to the adhesive disk of Trichodina, the structure of which is of greatest importance in the taxonomy of this group. On the basis of Dogel's and Fauré-Fremiet's descriptive methods employed in study of trichodinids, a proposal of a uniform description of Trichodina is made which involves all the important features of these protozoa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1958.tb02563.x
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  • 10
    Electronic Resource
    Electronic Resource
    Carotenoid Distribution in Bleached Substrains of Euglena gracilis (1958)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 5 (1958), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Several substrains of Euglena gracilis var. bacillaris made chlorotic by treatment with pyribenzamine or streptomycin, or by growth at high temperature (35–36°C.), have been examined for their carotenoid content. They differ from the normal green strain both qualitatively and quantitatively. Some strains produce no detectable carotenoids while the carotenoid concentration in the strains producing most is at best only one-fifth that of the normal strain. In all substrains producing carotenoids, the carotene fraction consists of β-carotene accompanied by some members of the phytofluene series. In only two of these substrains, HB-G and PBZ-G3, are xanthophylls produced in significant amounts. In HB-G, the main pigment is echinenone, and in PBZ-G3 it is zeaxanthin. The significance of these findings is briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1958.tb02568.x
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