{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "1.2 pounds", "publishers": ["CRC Press"], "type": {"key": "/type/edition"}, "number_of_pages": 386, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 13063930, "isbn_13": ["9780905927336"], "isbn_10": ["0905927338"], "publish_date": "January 1, 1990", "key": "/b/OL9727608M", "authors": [{"key": "/a/OL3293900A"}, {"key": "/a/OL2931295A"}], "title": "Trace Substances, Volume XXIII", "contributions": ["Barbara Beck (Editor)"], "subjects": ["Environmental science", "Statistics", "Nature", "Science/Mathematics", "General", "Nature / Field Guide Books"], "physical_dimensions": "9 x 5.9 x 0.8 inches", "revision": 1}