{"key": "/works/OL178080W", "title": "Air sampling instruments for evaluation of atmospheric contaminants", "first_publish_date": "1960", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2099999A"}}], "type": {"key": "/type/work"}, "subjects": ["Air", "Air sampling apparatus", "Analysis", "Pollution", "Measurement", "Air Pollution"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-10-20T18:37:36.113165"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-02T11:20:13.039094"}}