{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Standard specifications for steel railway bridges, fixed spans, 1922","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/117/786/big1177866730.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177866730.html\">Standard specifications for steel railway bridges, fixed spans, 1922</a>","width":400,"height":300}