{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An Introduction to Concrete Mixture Proportioning and Construction Requirements","author_name":"J. Paul Guyer","thumbnail_url":"https://www.ebooknetworking.net/books/153/063/big1530633974.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1530633974.html\">An Introduction to Concrete Mixture Proportioning and Construction Requirements</a>","width":400,"height":300}