{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Design and control of concrete mixtures","author_name":"Portland Cement Association","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9UW/bigB009UWDNGC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009UWDNGC.html\">Design and control of concrete mixtures</a>","width":400,"height":300}