// API callback
ProcessGBSBookInfo({
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        "subtitle": "Grundlagen - Richtlinien - Folgen für das deutsche Recht",
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          "Maximilian Schmidt"
        ],
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          {
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        ],
        "readingModes": {
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          "image": false
        },
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        "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=2iPMvAEACAAJ&dq=isbn:9783504420666&hl=&cd=1&source=gbs_api",
        "infoLink": "http://books.google.com/books?id=2iPMvAEACAAJ&dq=isbn:9783504420666&hl=&source=gbs_api",
        "canonicalVolumeLink": "https://books.google.com/books/about/Europ%C3%A4isches_Arbeitsrecht.html?hl=&id=2iPMvAEACAAJ"
      },
      "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=2iPMvAEACAAJ&hl=&printsec=frontcover&source=gbs_api",
        "accessViewStatus": "NONE",
        "quoteSharingAllowed": false
      },
      "searchInfo": {
        "textSnippet": "Ausgewiesene Experten des europäischen und deutschen Arbeitsrechts aus Wissenschaft und Praxis."
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}
);