[{"data": {"isbn": "9783761631720", "@type": "Book", "genre": "ARCHITECTURE / History / General", "author": {"@type": "Person", "name:": "Mario Kramp"}, "@context": "http://schema.org", "keywords": "k\u00f6ln, heumarkt, schauplatz k\u00f6lner geschichte, k\u00f6lnisches stadtmuseum, r\u00f6misch-germanisches museum zu k\u00f6ln", "provider": {"name": "Craft AG", "@type": "Organization"}, "publisher": {"name": "J.P. Bachem Verlag", "@type": "Organization"}, "bookFormat": "EBook", "inLanguage": "de", "datePublished": "2016-12-07", "numberOfPages": 272, "encodingFormat": "application/pdf"}, "schema": "schema.org", "mediatype": "application/ld+json"}]