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  • Early Work by J.R. Nielsen

    Elsevier Science 1972; US$ 93.95

    The influence of Niels Bohr's work, of his approach to research, both practical and theoretical, is widely felt today. His contributions to our knowledge of the atomic constituents of matter and to our view of science, remain of fundamental importance. The publication of his collected works will give historians of science and scientists easy access... more...

  • The Correspondence Principle (1918 - 1923)by J.R. Nielsen

    Elsevier Science 1976; US$ 93.95

    During this period Bohr's researches had a double aim: to develop a consistent and adequate quantum theory and to explain the structures and properties of the elements of the periodic system. ``The Correspondence Principle'' contains the papers and manuscripts dealing mainly with the elaboration of the general quantum theory. more...

  • The Periodic System (1920 - 1923)by J.R. Nielsen

    Elsevier Science 1977; US$ 93.95

    Whilst volume 3 dealt primarily with the development of the quantum theory, ``The Periodic System'' contains in 2 parts the papers treating the application of the theory to the problem of atomic structure and the explanation of the periodic system of the chemical elements. more...

  • Pediatric Neurologyby James F. Bale Jr.; Joshua L. Bonkowsky; Francis M. Filloux; Gary L Hedlund; Paul D. Larsen; Denise M. Nielsen

    Manson Publishing Ltd 2011; US$ 89.95

    This new Colour Handbook is illustrated throughout by a wealth of top-quality clinical photos and imaging and will help physicians in training and practice in recognising patterns of disease; the first step to successful management of the child with a neurological problem. more...

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