{"title": "Hydraulic handbook", "covers": [3364085], "key": "/works/OL4643763W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL953880A"}}], "subjects": ["Oil hydraulic machinery", "Handbooks, manuals", "Fluid power technology"], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T07:03:05.148338"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-10T07:47:45.401004"}}