{"physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["British Nuclear Energy Society"], "number_of_pages": 251, "id": 14081004, "isbn_13": ["9780727729835"], "isbn_10": ["0727729837"], "publish_date": "May 25, 2003", "key": "/b/OL10591642M", "authors": [{"key": "/a/OL527439A"}], "title": "AUA Guidelines for Backfilling and Contact Grouting of Tunnels and Shafts", "type": {"key": "/type/edition"}, "subjects": ["Building construction & materials", "Structural engineering"], "revision": 1}