{"last_modified": {"type": "/type/datetime", "value": "2019-04-09T16:07:13.887135"}, "title": "Optical monitoring of the environment", "created": {"type": "/type/datetime", "value": "2019-04-09T16:07:13.887135"}, "covers": [3949447], "subjects": ["Optical methods", "Pollution", "Congresses", "Environmental protection", "Measurement"], "latest_revision": 1, "key": "/works/OL19609888W", "type": {"key": "/type/work"}, "revision": 1}