{
    "query": {
        "category": "Mathematics",
        "publication_date": "2003-01",
        "nr_of_items": 1
    },
    "items": [
        {
            "title": "Modulated Waves",
            "subtitle": "Theory and Applications",
            "author": "Lev A. Ostrovsky and Alexander I. Potapov",
            "isbn": "9780801873256",
            "publisher": "Johns Hopkins University Press",
            "link_to_publisher": "https:\/\/www.press.jhu.edu\/books\/title\/1995\/modulated-waves"
        }
    ]
}