{"last_modified": {"type": "/type/datetime", "value": "2020-08-22T00:23:47.647523"}, "title": "Guide to the Economic Removal of Metals from Aqueous Solutions", "created": {"type": "/type/datetime", "value": "2020-08-22T00:23:47.647523"}, "subjects": ["Environmental chemistry"], "latest_revision": 1, "key": "/works/OL21472014W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL8007118A"}}], "type": {"key": "/type/work"}, "revision": 1}