{
    "query": {
        "category": "Mathematics",
        "publication_date": "1989-10",
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            "title": "Differential Geometry, Gauge Theories, and Gravity",
            "subtitle": null,
            "author": "M. G\u00f6ckeler; T. Sch\u00fccker",
            "isbn": "9780521378215",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/physics\/theoretical-physics-and-mathematical-physics\/differential-geometry-gauge-theories-and-gravity?format=PB"
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        {
            "title": "Dynamical Systems and Fractals",
            "subtitle": "Computer Graphics Experiments with\u00a0Pascal",
            "author": "Karl-Heinz Becker; Michael D\u00f6rfler; I. Stewart",
            "isbn": "9780521369107",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/mathematics\/recreational-mathematics\/dynamical-systems-and-fractals-computer-graphics-experiments-pascal?format=PB"
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        {
            "title": "Wittgenstein\u2019s Lectures on the Foundations of Mathematics, Cambridge, 1939",
            "subtitle": null,
            "author": "Wittgenstein, Ludwig",
            "isbn": "9780226904269",
            "publisher": "University of Chicago Press",
            "link_to_publisher": "https:\/\/press.uchicago.edu\/ucp\/books\/book\/chicago\/W\/bo3616369.html"
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