{"created": {"type": "/type/datetime", "value": "2019-03-11T03:08:29.205870"}, "subjects": ["Industrial hygiene", "Manufacturing processes", "Health aspects", "Hygienic aspects"], "latest_revision": 2, "key": "/works/OL19170449W", "title": "Industrial hygiene aspects of plant operations", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2739857A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2019-04-03T01:36:20.164851"}, "covers": [4936824, 4548981, 4282908], "revision": 2}