{"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":"D. B. Steinman","thumbnail_url":"https://www.ebooknetworking.net/books/B01/HFN/bigB01HFN2QOW.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01HFN2QOW.html\">Suspension Bridges and Cantilevers, Their Economic Proportions and Limiting Spans</a>","width":400,"height":300}