{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Die elementargeometrischen konstruktionen des regelmässigen siebzehnecks: eine historisch-kritische darstellung (German Edition)","author_name":"Robert Goldenring","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3YO/bigB003YOSLE6.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003YOSLE6.html\">Die elementargeometrischen konstruktionen des regelmässigen siebzehnecks: eine historisch-kritische darstellung (German Edition)</a>","width":400,"height":300}