{"last_modified": {"type": "/type/datetime", "value": "2010-12-06T04:56:51.459977"}, "title": "Tree rings and chronology", "created": {"type": "/type/datetime", "value": "2009-12-10T21:27:02.494971"}, "subjects": ["Dendrochronology"], "latest_revision": 2, "key": "/works/OL7582729W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2323919A"}}], "type": {"key": "/type/work"}, "revision": 2}