{"series": ["Forestry Commission. Leaflet,", "55"], "lc_classifications": ["SD45 .A42 no. 55", "SD388 .A42 no. 55"], "contributions": ["Wood, P. A. joint author."], "id": 7555734, "title": "Hydratongs", "languages": [{"key": "/l/eng"}], "subjects": ["Forest machinery -- Hydraulic equipment.", "Tractors -- Hydraulic equipment."], "publish_country": "enk", "by_statement": "by F. B. W. Platt and P. Wood.", "type": {"key": "/type/edition"}, "revision": 1, "publishers": ["H.M.S.O."], "last_modified": {"type": "/type/datetime", "value": "2008-04-01 03:28:50.625462"}, "key": "/b/OL5473357M", "authors": [{"key": "/a/OL2082283A"}], "publish_places": ["London"], "pagination": "10 p.", "dewey_decimal_class": ["634.9/08 s", "634.9/82"], "number_of_pages": 10, "lccn": ["73176583"], "isbn_10": ["0117100714"], "publish_date": "1973"}