Reference Instance

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{
    "id": 408,
    "first_author": "Zittel, K. A. von",
    "year": 1910,
    "title": "Grundzüge der Paläontologie (Paläozoologie): Abt. Invertebrata",
    "doi": null,
    "link": "https://archive.org/details/grundzgederpal00zitt/page/n11/mode/1up"
}