{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"General theory of bridge construction;  containing demonstrations of the principles of the art and their application to practice. With practical illustrations","author_name":"Herman Haupt","thumbnail_url":"https://www.ebooknetworking.net/books/123/106/big1231069392.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1231069392.html\">General theory of bridge construction;  containing demonstrations of the principles of the art and their application to practice. With practical illustrations</a>","width":400,"height":300}