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  • 1
    Electronic Resource
    Electronic Resource
    Restoration of libido in castrated red deer stag ( Cervus elaphus ) with oestradiol-17β (1974)
    [s.l.] : Nature Publishing Group
    Nature 248 (1974), S. 616-618 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We decided to investigate the effects of oestradiol-17/3 on the social and sexual behaviour of free-living, wild red deer stags on the island of Rhum, off the west coast of Scotland. Although red deer may seem rather unusual experimental animals, they are particularly suitable for this type of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/248616b0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Book review (1988)
    Springer
    Educational studies in mathematics 19 (1988), S. 269-275 
    Details
    ISSN: 1573-0816
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00751236
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A heuristic approach to matrices (1968)
    Springer
    Educational studies in mathematics 1 (1968), S. 166-180 
    Details
    ISSN: 1573-0816
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00426242
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Book reviews (1984)
    Springer
    Educational studies in mathematics 15 (1984), S. 95-102 
    Details
    ISSN: 1573-0816
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00380441
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Nomograms and the foundations of geometry (1976)
    Springer
    Educational studies in mathematics 7 (1976), S. 71-82 
    Details
    ISSN: 1573-0816
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary The basic properties of nomograms can be proved most easily by metrical methods, but later on the practical problems of nomogram calibration lead naturally to Pappus's theorem. Rearranging the material, we see that Pappus's theorem alone establishes the commutative and associative properties of additive and multiplicative nomograms. Use of Desargues' theorem alone likewise enables proofs to be given of all of these properties, except the commutativity of multiplication. The breakdown of the proof in this case is not sufficient to demonstrate the impossibility of constructing a proof by any other means; nevertheless the material presented indicates the fundamental role of the theorems of Pappus and Desargues, in a context which is much simpler than the usual one, where they are used to set up a coordinate system in the plane. In this way some of the central ideas of Hilbert's Grundlagen can be approached at school level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00144360
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  • 6
    Electronic Resource
    Electronic Resource
    The teaching of geometry present problems and future aims (1971)
    Springer
    Educational studies in mathematics 3 (1971), S. 395-412 
    Details
    ISSN: 1573-0816
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary Some general observations are made on present problems in the teaching of geometry at pre-college level, and some aims for the future are suggested. These remarks are inevitably made against a background of British experience. Aids for the teaching of geometry are discussed; and two lines of development, perspective drawing and nomograms, are described as a school introduction to geometrical ideas which are important at college.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00302304
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    Paper (German National Licenses)
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