{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Denitrification by anaerobic filters and ponds, phase II: study","author_name":"Robert J. Pafford","thumbnail_url":"https://www.ebooknetworking.net/books/117/955/big1179558537.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1179558537.html\">Denitrification by anaerobic filters and ponds, phase II: study</a>","width":400,"height":300}