{"subjects": ["Ecology", "\u00c9cologie"], "key": "/works/OL3877108W", "title": "Natural ecosystems", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL698330A"}}], "type": {"key": "/type/work"}, "covers": [10262502], "lc_classifications": ["QH541"], "first_publish_date": "1973", "dewey_number": ["574.5", "574.5 C"], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T04:44:06.006134"}, "last_modified": {"type": "/type/datetime", "value": "2024-01-31T21:28:56.840768"}}