{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Design of Concrete Structures","author_name":"David Darwin, Charles Dolan, Arthur Nilson","thumbnail_url":"https://www.ebooknetworking.net/books/007/339/big0073397946.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0073397946.html\">Design of Concrete Structures</a>","width":400,"height":300}