{"title": "Coagulation and Flocculation in Water and Wastewater Treatment", "covers": [5162687], "first_publish_date": "November 30, 2006", "key": "/works/OL1405302W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL144836A"}}], "type": {"key": "/type/work"}, "subjects": ["Coagulation", "Flocculation", "Sewage", "Purification", "Floculation", "Eaux us\u00e9es", "\u00c9puration", "Long Now Manual for Civilization"], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-09T21:21:38.675955"}, "last_modified": {"type": "/type/datetime", "value": "2025-03-25T05:36:39.459631"}}