{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Plain and Reinforced Concrete Arches","author_name":"Josef Melan","thumbnail_url":"https://www.ebooknetworking.net/books/114/438/big1144385679.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1144385679.html\">Plain and Reinforced Concrete Arches</a>","width":400,"height":300}