{
    "query": {
        "category": "Mathematics",
        "publication_date": "1991-09",
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        {
            "title": "A Course in Mathematics for Students of Physics",
            "subtitle": null,
            "author": "Paul Bamberg; Shlomo Sternberg",
            "isbn": "9780521406499",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/mathematics\/mathematical-modelling-and-methods\/course-mathematics-students-physics-volume-1?format=PB"
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        {
            "title": "Designs, Graphs, Codes and their Links",
            "subtitle": null,
            "author": "P. J. Cameron; J. H. van Lint",
            "isbn": "9780521423854",
            "publisher": "Cambridge University Press",
            "link_to_publisher": "https:\/\/www.cambridge.org\/universitypress\/subjects\/mathematics\/discrete-mathematics-information-theory-and-coding\/designs-graphs-codes-and-their-links?format=PB"
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