{"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 - Primary Source Edition","author_name":"Herman Haupt","thumbnail_url":"https://www.ebooknetworking.net/books/129/403/big1294038311.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1294038311.html\">General theory of bridge construction, containing demonstrations of the principles of the art and their application to practice - Primary Source Edition</a>","width":400,"height":300}