{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elementargeometrie und Wirklichkeit: Einführung in geometrisches Denken (German Edition)","author_name":"Erich Ch. Wittman","thumbnail_url":"https://www.ebooknetworking.net/books/366/300/big3663000826.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3663000826.html\">Elementargeometrie und Wirklichkeit: Einführung in geometrisches Denken (German Edition)</a>","width":400,"height":300}