{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Eutrophication of Freshwaters: Principles, problems and restoration","author_name":"David Harper","thumbnail_url":"https://www.ebooknetworking.net/books/940/105/big9401053669.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9401053669.html\">Eutrophication of Freshwaters: Principles, problems and restoration</a>","width":400,"height":300}