{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematics Manual for Water and Wastewater Treatment Plant Operators, Second Edition: Basic Mathematics for Water and Wastewater Operators","author_name":"Frank R. Spellman","thumbnail_url":"https://www.ebooknetworking.net/books/148/222/big1482224259.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1482224259.html\">Mathematics Manual for Water and Wastewater Treatment Plant Operators, Second Edition: Basic Mathematics for Water and Wastewater Operators</a>","width":400,"height":300}