{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematics Manual for Water and Wastewater Treatment Plant Operators","author_name":"Frank R. Spellman","thumbnail_url":"https://www.ebooknetworking.net/books/156/670/big1566706750.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1566706750.html\">Mathematics Manual for Water and Wastewater Treatment Plant Operators</a>","width":400,"height":300}