{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "15.2 ounces", "publishers": ["American Water Works Research Association"], "number_of_pages": 120, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 08:14:56.482104"}, "id": 11903629, "isbn_13": ["9781583213100"], "isbn_10": ["1583213104"], "publish_date": "February 15, 2004", "key": "/b/OL8789376M", "authors": [{"key": "/a/OL3096840A"}, {"key": "/a/OL3096841A"}, {"key": "/a/OL41606A"}, {"key": "/a/OL3096842A"}, {"key": "/a/OL3096843A"}], "title": "Demonstration of Emerging Technologies for Arsenic Removal  Vol 1", "type": {"key": "/type/edition"}, "subjects": ["Civil Engineering, Surveying & Building", "Management of land & natural resources", "NATURAL HISTORY, COUNTRY LIFE & PETS", "Water", "Environmental Engineering & Technology", "Nature", "Technology & Industrial Arts", "Nature/Ecology", "Purification", "Nature / Water Supply", "Water Supply", "Engineering - Civil", "Arsenic removal"], "physical_dimensions": "11.2 x 8.3 x 0.3 inches", "revision": 1}