{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geometrische Constructionslehre; oder, Darstellende Geometrie: (Géométrie descriptive.) (German Edition)","author_name":"Schaffnit, G.","thumbnail_url":"https://www.ebooknetworking.net/books/B00/375/bigB00375LAD6.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00375LAD6.html\">Geometrische Constructionslehre; oder, Darstellende Geometrie: (Géométrie descriptive.) (German Edition)</a>","width":400,"height":300}