{"created": {"type": "/type/datetime", "value": "2009-12-11T02:52:06.460982"}, "title": "The impact of selected nature center programs on sixth grade pupils", "id": 45545366, "last_modified": {"type": "/type/datetime", "value": "2010-01-16T04:58:06.269338"}, "latest_revision": 2, "key": "/works/OL10375433W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL4298167A"}}], "type": {"key": "/type/work"}, "subjects": ["Environmental education", "Nature centers"], "revision": 2}