// API callback
ProcessGBSBookInfo({
  "kind": "books#volumes",
  "totalItems": 1,
  "items": [
    {
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      "etag": "7vG9QM2GX7Y",
      "selfLink": "https://www.googleapis.com/books/v1/volumes/VpE-zQEACAAJ",
      "volumeInfo": {
        "title": "Besteuerung und Wirtschaftsprüfung im Kontext der Digitalisierung",
        "authors": [
          "Diether Dämon",
          "Veronika Daurer",
          "Severin Eisl",
          "Michaela Fellinger",
          "Sabine Graschitz",
          "Simona Holzknecht Simona Holzknecht",
          "Veronika Hornung-Prähauser",
          "Sabine Kirchmayr",
          "Katharina Maier",
          "Christian Reischl",
          "Werner Rosar",
          "Petra Stabauer Petra Stabauer",
          "Rudolf Steckel",
          "Elisabeth Steinhauser",
          "Bernhard Sturma",
          "Michael Tumpel",
          "Sabine Urnik"
        ],
        "publishedDate": "2020",
        "industryIdentifiers": [
          {
            "type": "ISBN_10",
            "identifier": "3707340864"
          },
          {
            "type": "ISBN_13",
            "identifier": "9783707340860"
          }
        ],
        "readingModes": {
          "text": false,
          "image": false
        },
        "printType": "BOOK",
        "maturityRating": "NOT_MATURE",
        "allowAnonLogging": false,
        "contentVersion": "preview-1.0.0",
        "panelizationSummary": {
          "containsEpubBubbles": false,
          "containsImageBubbles": false
        },
        "language": "de",
        "previewLink": "http://books.google.com/books?id=VpE-zQEACAAJ&dq=isbn:9783707340860&hl=&cd=1&source=gbs_api",
        "infoLink": "http://books.google.com/books?id=VpE-zQEACAAJ&dq=isbn:9783707340860&hl=&source=gbs_api",
        "canonicalVolumeLink": "https://books.google.com/books/about/Besteuerung_und_Wirtschaftspr%C3%BCfung_im_K.html?hl=&id=VpE-zQEACAAJ"
      },
      "saleInfo": {
        "country": "US",
        "saleability": "NOT_FOR_SALE",
        "isEbook": false
      },
      "accessInfo": {
        "country": "US",
        "viewability": "NO_PAGES",
        "embeddable": false,
        "publicDomain": false,
        "textToSpeechPermission": "ALLOWED",
        "epub": {
          "isAvailable": false
        },
        "pdf": {
          "isAvailable": false
        },
        "webReaderLink": "http://play.google.com/books/reader?id=VpE-zQEACAAJ&hl=&printsec=frontcover&source=gbs_api",
        "accessViewStatus": "NONE",
        "quoteSharingAllowed": false
      }
    }
  ]
}
);