{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Properties of steel sections; a reference book for structural engineers and architects, including tables of moments of inertia and radii of gyration ... structures, unit stresses, safe loads for","author_name":"John Calvart Sample","thumbnail_url":"https://www.ebooknetworking.net/books/117/763/big1177637758.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177637758.html\">Properties of steel sections; a reference book for structural engineers and architects, including tables of moments of inertia and radii of gyration ... structures, unit stresses, safe loads for</a>","width":400,"height":300}