{"last_modified": {"type": "/type/datetime", "value": "2020-09-13T17:42:14.760968"}, "title": "Grenzuberschreitende Luftverschmutzung in Europa", "created": {"type": "/type/datetime", "value": "2009-12-11T02:11:55.830657"}, "subjects": ["Air, pollution", "Mass media, europe", "Transboundary pollution", "Air quality management", "Mass media", "International cooperation", "Pollution", "Air"], "latest_revision": 3, "key": "/works/OL10085282W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4068182A"}}], "type": {"key": "/type/work"}, "revision": 3}