{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Design of Simple Roof-Trusses in Wood and Steel: With an Introduction to the Elements of Graphic Statics","author_name":"Malverd A. Howe","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2K2/bigB002K2S0DU.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002K2S0DU.html\">The Design of Simple Roof-Trusses in Wood and Steel: With an Introduction to the Elements of Graphic Statics</a>","width":400,"height":300}