{"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/131/310/big1313100676.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1313100676.html\">Design and Control of Concrete Mixtures</a>","width":400,"height":300}