{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Proceedings, AWWA Seminar on Upgrading Existing Water-Treatment Plants; presented ... at the American Water Works Association Annual Conference, Boston, Massachusetts, June 15-16, 1974 (no.20126)","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0000EGELL.html\">Proceedings, AWWA Seminar on Upgrading Existing Water-Treatment Plants; presented ... at the American Water Works Association Annual Conference, Boston, Massachusetts, June 15-16, 1974 (no.20126)</a>","width":400,"height":300}