{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Environmental Ecology And Technology of Concrete (Key Engineering Materials)","author_name":"Nai-qian Feng","thumbnail_url":"https://www.ebooknetworking.net/books/087/849/big0878499830.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0878499830.html\">Environmental Ecology And Technology of Concrete (Key Engineering Materials)</a>","width":400,"height":300}