{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Suspension Bridges and Cantilevers, Their Economic Proportions and Limiting Spans","author_name":"David Barnard Steinman","thumbnail_url":"https://www.ebooknetworking.net/books/111/712/big1117125947.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1117125947.html\">Suspension Bridges and Cantilevers, Their Economic Proportions and Limiting Spans</a>","width":400,"height":300}