{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Architectural Geometry by Helmut Pottmann (2007-10-01)","author_name":"Helmut Pottmann;Andreas Asperl;Michael Hofer;Axel Kilian","thumbnail_url":"https://www.ebooknetworking.net/books/B01/K17/bigB01K17OEOY.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01K17OEOY.html\">Architectural Geometry by Helmut Pottmann (2007-10-01)</a>","width":400,"height":300}