{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Design of a reinforced concrete railroad arch bridge","author_name":"O T Allen","thumbnail_url":"https://www.ebooknetworking.net/books/114/989/big1149898925.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1149898925.html\">Design of a reinforced concrete railroad arch bridge</a>","width":400,"height":300}